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7A Constant On Time Synchronous Buck Regulator with I2C Production

Features
  • Pseudo frequency COT control
  • Extremely fast line/load transient response
  • I2C for output adjustment (3.4 Mbps)
  • 1.2 MHz switching frequency
  • Extremely low-RDSON MOSFETS
  • Input voltage rail 2.7V to 6V
  • Up to 7A output current
  • Power save mode for light-load efficiency
  • UVLO, OVP, and OCP
  • -40°C to 85°C ambient temperature
  • Available in QFN 2mm x 3mm 14 package
  • RoHS compliant

General Description
The APW7438A is a digitally controlled step-down regulator IC with an integrated 20mΩ high-side P-channel MOSFET and an 8mΩ low-side N-channel MOSFET. It features ANPEC's proprietary COT-mode control scheme for near-instantaneous correction to line/load transients for a voltage range of 2.7V to 6V, and 7A with constant frequency. The APW7438A is equipped with an automatic PFM/PWM mode operation. At light load, the IC operates in the PFM mode to reduce the switching losses and provides high efficiency over light to heavy loads with loading-modulated frequency. The APW7438A has an I2C serial interface port for output voltage margining and monitoring, if required (it can also operate in default mode). In addition it includes robust fault monitoring functions. The APW7438A is available in 0.8V default output voltage (no voltage divider is necessary) which can be changed from 0x01 Register.
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3-CH Buck Converter, 3-18V Input Voltage, Tiny Package

Features
  • Wide input voltage range:
- Channel 1 and 3 from 1.65V to 18V
- Channel 2 from 3V to 18V
  • 3A/2.5A/1.5A Output Current on Channel1/2/3
  • Typical 0.6V ±1% Internal Reference Voltage
  • Sync Pin Allows Synchronization to an External Clock from 1.8MHz to 2.4MHz
  • Optimized Upper and Lower MOSFETs RDS_on for max Efficiency:
- N-CH MOSFET (60 mΩ) for CH1 High Side
- N-CH MOSFET (90 mΩ) for CH2/3 High Side
- N-CH MOSFET (45 mΩ) for CH1 Low Side
- N-CH MOSFET (50 mΩ) for CH2/3 Low Side
  • Built in OVP, UVP, Current Limit, VIN OVP and OTP
  • Low Cost TQFN 4x4-20D Wettable Flanks Package
  • High Performance or Low Cost Configuration, Auto Mode or FPWM can be set by MODE PIN
  • Spread Spectrum Option and Power On Sequence can be configured by SEQ/SSP PIN

General Description
The APW9304H is a three-channel synchronous mode PWM converter with 3A continuous current capability for one channel and 2.5A continuous current capability for the other channel and 1.5A continuous current capability for the other one channel. Although the switching frequency of the APW9304H is fixed at 2.1MHz, it can also change the switching frequency via the EN/SYNC pin. The APW9304H also provides a 120-degree phase shifting technique and Spread Spectrum option to minimize the noise for reducing EMI. The output voltage of each channel can be adjusted using an external resistor divider. Other features include VIN OVP, VOUT OVP, UVP, current limit, and OTP. The internal switching frequency is set at 2.1MHz. Other features of the part include VIN OVP, OVP, UVP, Current Limit and OTP. The APW9304H is available in a TQFN 4x4-20D wettable flanks package with small size and excellent thermal capacity.
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Ultra-Low On-Resistance, 6A Dual Load Switch With Soft Start

Features
  • 20mΩ (Typical) On-resistance per Channel
  • 6A Continuous Current
  • Soft Start Time Programmable by External Capacitor
  • Wide Input Voltage Range (VIN): 0.8V to 5.5V
  • Supply Voltage Range (VBIAS): 3V to 5.5V
  • Output Discharge when Switch Disabled
  • Reverse Current Blocking when Switch Disabled
  • Over-Temperature Protection
  • Enable Input
  • Lead Free and Green Devices Available (RoHS Compliant)

General Description
The APL3528 is an ultra-low on-resistance, dual powerdistribution switch with external soft start control. It integrates two N-channel MOSFETs that can deliver 6A continuous load current each. The device integrates over-temperature protection. The over temperature protection function shuts down the Nchannel MOSFET power switch when the junction temperature rises beyond 160oC and will automatically turns on the power switch when the temperature drops by 40oC. The device is available in lead free TDFN2x3-14A packages.
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5.5V, 7A Low RDSON Power Load Switch with Current Monitoring

Features
  • N-CH MOSFET RDS(ON): 12mΩ(typ.)
  • Smaller than 1uA Shutdown Current
  • Ultra-Low Quiescent Current: Less than 50uA
  • Input Voltage Range (VIN): 0.7V ~ 5.5V
  • Bias Voltage Range (VCC): 3V ~ 5.5V
  • Built in Internal Charge Pump Function for Internal Gate Driver
  • Built in ADJ Current Limit Function
  • Built in Output Discharge Function
  • Built in Adjustable Soft Start Function by SS Pin
  • Built in Over-Temperature Protection
  • <200ns Short-Circuitry Response Protection
  • Built in Enable / Shutdown Control by EN Pin
  • Built in Power Good Indication Output
  • Built in IMON Function with 6% Accuracy
  • Tiny Small QFN2x2-12A Package
 
General Description
The APL3535 is a power-distribution switch with some protection functions that can deliver current up to 7A. The device incorporates a 12mΩ N-channel MOSFET power switch that is controlled by an enable logic pin and has a SS pin dedicated to soft start ramp-up rate control that can be used in application where the inrush current is concerned. The APL3535 integrates some protection features, including current limit protection, over temperature protection. The current limit protection can protect down-stream devices from catastrophic failure by limiting the output current at current-limit threshold during over-load or short-circuit events. The over temperature protection function shuts down the N-channel MOSFET power switch when the junction temperature rises beyond 155°C. Other features include an accurate current monitor function. The device is available in lead free QFN2x-12A package.
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Ultra-Low On-Resistance, Power Load Switch with Soft Start

Features
  • Ultra-Low On-Resistance :
- RDS(ON)=10.5mΩ at VIN=5V
- RDS(ON)=12mΩ at VIN=3.6V
- RDS(ON)=12.3mΩ at VIN=2.5V
- RDS(ON)=12.5mΩ at VIN=1.8V
- RDS(ON)=17.5mΩ at VIN=1V
  • Ultra-Low Quiescent Current: VIN=1V Condition, 10µA (Max.)
  • 3A Maximum Continuous Output Current
  • Supply Voltage Range from 0.95V to 5.5V
  • Built in Internal Charge Pump Function for Internal Gate Driver
  • Built in Internal Soft-Start Function : VIN=3.6V Condition, 800µs (Typ.)
  • Built in Enable/Shutdown Control
  • Built in Turn On Time : VIN=3.6V Condition, 860µs (Typ.)
  • Built in Reverse Current Block Function
  • Tiny small WLCSP 0.9x1.4-6 Package
  • Lead Free and Green Devices Available (RoHS Compliant)

General Description
The APL3537C is an ultra-low on-resistance, power-distribution switch with internal soft start control. The device is a N-channel MOSFET which needs only one input voltage from 0.95V to 5.5V. Built in internal charge pump function biases the N-MOS switch to achieve a minimum switch on-resistance. The APL3537C can be enabled by other power system. Pulling and holding the EN pin below 0.4V shuts off the output. The device is available in lead free WLCSP 0.9x1.4-6 package.
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USB Power-Distribution Switches

Features
  • VIN Input Voltage Range: 4.5 to 25V
  • 30V Absolute Ratings at VIN Pin
  • 15A Output Current Capability
  • Adjustable Soft-start Time by SS pin
  • Fast Over Current Protection Response Time
  • Wrong VIN Input Voltage Protection
  • Fault Report on ACOK Pin
  • Built-in Surge Protection when Surge Voltage over 27V
  • Built-in Thermal Shutdown Protection
  • Built-in Enable / Shutdown Control by DPREN Pin
  • Integrated Internal Charge Pump
  • Built-in Programmable Short Circuit or Over Current Protection Threshold Setting by ALSET pin
  • ESD Protection:
- EC61000-4-2 contact discharge over with 8kV
- HBM with over 2kV
- CDM with over 500V at VIN pin
  • Over-Temperature Protection
  • TQFN4x4-24 Package

General Description
The APL3576A is designed for desktop adapter applications. The low on resistance N-channel MOSFET power switch can satisfy the voltage drop requirements of USB specification. Protection features include current-limit protection, short-circuit protection, over-temperature protection, wrong VIN input voltage protection, surge protection, and reverse current blocking. Other features include a deglitched ACOK output to indicate the fault condition and an enable input to enable or disable the device.
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Stereo, Differential Input Cap-Free Line Driver

Features
  • Operating Voltage : 3V~3.6V
  • Differential Input
  • Ground Reference Output
- No Output Capacitor Required (for DC Blocking)
- Save the PCB Space
- Reduce the BOM Costs
- Improve the Low Frequency Response
  • Low Noise and THD+N
- SNR > 108dB
- Noise < 8µVrms
- THD+N < 0.02% at 20Hz~20kHz
  • Output Voltage Swing Can Reach 2.1Vrms/Ch into 2.5kΩ at VDD=3.3V
  • High PSRR : 80dB at 217Hz
  • Fast Start-up Time : 500µs
  • Integrate the De-Pop Circuitry
  • Thermal and Short-Circuit Protection
  • Surface-Mount Packaging
- SOP-14
- TSSOP-14
  • Lead Free and Green Devices Available (RoHS Compliant)

General Description
The APA2171 is a stereo, differential input, single supply, and cap-free line driver, which is available in SOP-14 and TSSOP-14 packages. The APA2171 is ground-reference output, and doesn’t need the output capacitors for DC blocking. The advantages of eliminating the output capacitor are saving the cost, eliminating component height, and improving the low frequency response. The external gain setting is recommended using from ±1V/ V to ±10V/V. High PSRR provides increased immunity to noise and RF rectification. APA2171 has shutdown and under-voltage detector function for Depop solution. The APA2171 is capable of driving 2.1Vrms at 3.3V into 2.5kΩ load, and provides short-circuit and thermal protection.
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5 Buck Converters and 1 Termination LDO PMIC with I2C Interface

Features
  • High Input Voltages Range from 4.5V to 16V
  • Built in Input Voltage UVLO threshold
  • Built in VIN OVP
  • Programmable power sequence control by I2C for all channel
  • Provide 5 Single-Buck PWM Converter and 1 Termination LDO Regulator
  • Channel 1 Synchronous Buck for VCORE
  • (Default 1V)
- 0.4V ~ 1.975V programmable with 25mV step
- 1.5A output current capability
- 750KHz / 1.5MHz switching frequency
  • Channel 2 Synchronous Buck for Memory (Default 1.2V)
- 0.4V ~ 1.975V programmable with 25mV step
- 1.5A output current capability
- 750KHz / 1.5MHz switching frequency
  • Channel 3 Synchronous Buck for I/O (Default 1.8V)
- 0.8V ~ 3.95V programmable with 50mV step
- 1.0A output current capability
- 750KHz / 1.5MHz switching frequency
  • Channel 4 Synchronous Buck for I/O (Default 2.5V)
- 0.8V ~ 3.95V programmable with 50mV step
- 1.0A output current capability
- 750KHz / 1.5MHz switching frequency
  • Channel 5 Synchronous Buck for I/O (Default 3.3V)
- 0.8V ~ 3.95V programmable with 50mV step
- 1.0A output current capability
- 750KHz / 1.5MHz switching frequency
  • Channel 6 VTT Termination LDO Regulator
- 0.5A output current capability
  • Built-in EN function
  • Built-in RST to monitor output voltage status
  • Built-in Current Limit/SCP/OVP/OTP
  • VTQFN-32 4mmx4mm Thin package
  • Lead Free Available (RoHS Compliant)

General Description
The APW6016E is designed for server management processor power system, which integrates 5 buck converters and one 0.5A sink/source VTT LDO into one single package. The PWM converters and VTT LDO output voltage can support VCORE, memory, memory bus termination and 1.8V/2.5V/3.3V I/O. Each VR voltage are programmable with high resolution via I2C interface. Moreover, the power-on and power-off sequences as well as soft-start time of these VR are controlled and programmable via I2C interface, providing versatility for system designers. The APW6016E provides excellent transient response and accurate DC voltage output in either PFM or PWM Mode. In Pulse Frequency Modulation mode (PFM), the APW6016E provides very high efficiency over light to heavy loads with loading-modulated switching frequencies. On VTQFN-32 Package, the Forced PWM Mode works nearly at constant frequency for low-noise requirements. The APW6016E features sufficient protections against over-current, over-voltage, short circuit and over temperature to prevent catastrophic failure. A Power-On- Reset function monitors the voltage on SVIN prevents wrong operation during power on. The output voltage of VTT automatically tracks the voltage of half VOUT2. The VTT output voltage is only requiring 10µF of ceramic output capacitance for stability and fast transient response.
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Three-Phase Full-wave Sine-wave Brushless Motor Driver

Features
  • Three-Phase Full-Wave Sine-Wave Driver
  • Sensor-Less Driver Control
  • PWM Speed Control
  • Minimum Speed Setting
  • Power Saving Function
  • Built-in 5V LDO Regulator
  • Built-in Current Limit Circuit
  • Built-in Over Current Protection
  • Built-in Lock Protection and Auto Restart Function
  • Soft Start Function
  • FG, 1/2FG, RD or 1/3FG Output
  • Built-in Thermal Shutdown Protection

General Description
The APX9323B is a three-phase full-wave sine-wave brushless motor drive by sensor-less. This IC built-in direct PWM input speed control, current limit and soft start features suitable for the three-phase brushless DC motors. The APX9323B is available in VTDFN3x3-10 package (see Pin Configuration).
Application
Fan

Fan

Driver IC series are used in desktops, notebooks, servers, industrial products, automobiles, home appliances, machine tools, robots...

Recently launched a digital control automatic detection IC to overcome many resonance issues caused by polarity and mechanical operation...

Notebook
Provides complete power solutions for notebook computers with Intel and AMD CPUs

including DC/DC converters/controllers, linear regulators, load switches, and USB port solutions, with high efficiency and high-power density features in applications...

Motherboard
Provides complete power solutions for motherboards using Intel, AMD CPUs and DDR memory

including DC/DC converters/controllers, linear regulators, load switches, and USB port solutions...

LCD

LCD

We offer power management ICs, LED driver ICs, audio amplifiers, optical sensor ICs, and other components to meet the needs of TV and display applications.

All ICs have built-in protection devices against excessive temperature and overload current to prevent damage to other components under abnormal conditions.

Surveillance
Provides individual high-voltage DC/DC power solutions and highly integrated/customized PMICs for consumer, portable/IOT and automotive electronic products...

Offers low component count designs with low quiescent current, making it ideal for space-constrained PCBs and battery-powered applications.

Memory
Provides various discrete or integrated power solutions for DDR memory.

ANPEC Electronics is the best choice to meet its high-performance and high-reliability requirements.

SPS

SPS

Provides solutions that can meet the standards of high energy efficiency energy density and reliability,

including diverse high-quality semiconductor solutions to customers with the best products, evaluation boards and reference designs for switch mode power supplies.

Comm.
ANPEC Electronics offers a wide range of solutions for small cell base stations, passive optical networks, routers and TV cable boxes.

Product offers high efficiency, high density, and flexibility to help designers realize cost-effective and high-performance applications in a small form factor.

VGA Card
A graphics card is a hardware device with a core graphics processor to provide display information for a display device.

Provides a variety of power solutions and load switches to meet its high-performance computing and display needs with product application such as NVIDIA, AMD and Intel DG GPU...

Optical
In applications such as TVs and notebooks, in order to comply with the EnergyStar and TUV Evey Comfortable standards, ALS (Ambient Light Sensors), RGB Sensors, and Spectrum Sensors have been developed...
Storage
Provides complete solutions for solid-state drives (SSD) and servers with power management products with low power consumption, precise sensing, and high performance to support platforms developed for data centers.

Our innovative solution greatly improves data transmission and accuracy with high reliability...

Automotive
ANPEC Electronics provides comprehensive power solutions for automotive electronics, supporting input voltage ranges from 3V to 42V and offering output current ranges from 1A to 6A...
About Us
Quality is ANPEC’s commitment to the society

ANPEC Electronics Corp., established in October 1997, is the first listed Power IC (power integrated circuit) design company in Taiwan. To meet the needs of the high-end market, ANPEC Electronics started its transformation in 2000, investing significantly to establish digital/hybrid IC design capabilities and related product lines, and becoming a power-based mix-signal IC supplier to provide customers with complete mix-signal IC solutions.

Continuous Improvement

Continuous Improvement

Customer Satisfaction

Customer Satisfaction

Commitment in Quality

Commitment in Quality

Full Participation

Full Participation

Accurate and Precise

Accurate and Precise

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Know about the APW8895, a Synchronous NVDC Buck-Boost Switching Charger Controller
DATE 2024/04/19
Product Information

Know about the APW8895, a Synchronous NVDC Buck-Boost Switching Charger Controller

Know about the APW8895, a Synchronous NVDC Buck-Boost Switching Charger Controller.

ANPEC Collaborates with Valens Semiconductor to Deliver Optimized Automotive Power Solutions
DATE 2024/04/08
Product Information

ANPEC Collaborates with Valens Semiconductor to Deliver Optimized Automotive Power Solutions

We are thrilled to announce a collaboration between ANPEC and Valens to develop cutting-edge solutions for the automotive industry. The companies collaborated on integrating ANPEC's APW9304H, an AEC-Q100 qualified Power Management IC, known for its ultra-low EMI feature and flexible power sequencing, to Valens' VA7000 and VA6000 series product reference designs for ADAS, autonomous driving and in-car entertainment systems.

2024 General meeting of shareholders
DATE 2024/02/27
Company Information

2024 General meeting of shareholders

General meeting of shareholders
Time : 2024/06/21 9:00 A.M.

ANPEC Electronics has published the 2023 Consolidated Financial Statements, and the after-tax earnings per share was NT$7
DATE 2024/02/26
Financial Information

ANPEC Electronics has published the 2023 Consolidated Financial Statements, and the after-tax earnings per share was NT$7

ANPEC Electronics held a board meeting on February 26 and approved the 2023 financial statements.

APW9304H is an ultra-low EMI triple buck converter and designed for automotive applications (AEC-Q100)
DATE 2024/01/12
Product Information

APW9304H is an ultra-low EMI triple buck converter and designed for automotive applications (AEC-Q100)

Meet the APW9304H, an advanced triple buck converter designed for automotive excellence (AEC-Q100).

2023-Q3 Virtual Investor Conference
DATE 2023/11/22
Company Information

2023-Q3 Virtual Investor Conference

ANPEC was invited to participate in the virtual investor conference of Concord Securities Co., Ltd.

ANPEC Electronics has published the 2023 Q3 Consolidated Financial Statements, and the after-tax earnings per share was NT$4.88
DATE 2023/11/10
Financial Information

ANPEC Electronics has published the 2023 Q3 Consolidated Financial Statements, and the after-tax earnings per share was NT$4.88

ANPEC Electronics held a board meeting on November 10 and approved the 2023 Q3 financial statements.

ANPEC Electronics has published the 2023 Q2 Consolidated Financial Statements, and the after-tax earnings per share was NT$2.68
DATE 2023/08/09
Financial Information

ANPEC Electronics has published the 2023 Q2 Consolidated Financial Statements, and the after-tax earnings per share was NT$2.68

ANPEC Electronics held a board meeting on August 9 and approved the 2023 Q2 financial statements.

【Social Care】Blood Donation - Share our Blood and Passion to Someone in Need
DATE 2023/07/05
Social Engagement

【Social Care】Blood Donation - Share our Blood and Passion to Someone in Need

The inventory of Taiwan blood bank is never truely full to those in urgent need of blood, employees of ANPEC donate not only their blood but also their passion to the ideal of saving lifes. As the result total 106 bags of blood are donated.

ANPEC Electronics has published the 2023 Q1 Consolidated Financial Statements, and the after-tax earnings per share was NT$1
DATE 2023/05/10
Financial Information

ANPEC Electronics has published the 2023 Q1 Consolidated Financial Statements, and the after-tax earnings per share was NT$1

ANPEC Electronics held a board meeting on May 10 and approved the 2023 Q1 financial statements.

【Social Care】ANPEC Caring for the Disabled - Spread Love in Spring
DATE 2023/04/12
Social Engagement

【Social Care】ANPEC Caring for the Disabled - Spread Love in Spring

Based on the spirit of caring for the underprivileged and giving back to society ANPEC purchase 289 boxes of cookies from Children Are Us Foundation, with total cost of NT$77980.

【Environmental Protection】Beach Cleanup Activity -  Zhubei Shuiyue Park
DATE 2023/03/26
Social Engagement

【Environmental Protection】Beach Cleanup Activity - Zhubei Shuiyue Park

Some of the employees of ANPEC Electronics brought their children to participate in the event. Before beach cleanup event participants needed to climb across the embankment, and despite the uneven terrain and muddy environment their resolve to pick up as many marine wastes as possible is unstoppable! The garbage was mainly composed of various household items such as plastic bottles, glass bottles, iron and aluminum cans, and plastic bags, as well as Styrofoam fishing gear and fishing buoys. A total of 46 adults and children participated in this activity, and a total of 283 kilograms of marine debris were removed.

2022-Q4 Virtual Investor Conference
DATE 2023/03/03
Company Information

2022-Q4 Virtual Investor Conference

ANPEC was invited to participate in the virtual investor conference of Concord Securities Co., Ltd.

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