Features
- Input Voltage Range: 2.7V to 5.5V
- Typical 0.6V Internal Reference Voltage
- 2A Output Current
- Constant on Time Mode Operation
- 2.5MHz Force PWM Mode Operation Frequency
- Stable with Low ESR Ceramic Capacitors
- Power-On-Reset Detection on VIN
- Integrated 1ms Soft Start Time and Output Discharge
- Over-Temperature Protection
- Over Voltage Protection
- Under Voltage Protection
- Power Good Indication
- Small TDFN2x2-6A and TSOT23-6A Packages
General Description
The APW9170C is a 2A synchronous buck converter that uses constant on time mode control scheme to convert wide input voltage of 2.7V to 5.5V to outputs as low as 0.6V while providing excellent output voltage regulation. The APW9170C is also equipped with Power-on-reset, internal soft start and complete protections (under-voltage, over temperature and current-limit) into low cost TDFN2x2-6A and TSOT23-6A packages. The IC also provides output capacitor discharge when it is disabled via the discharge MOSFET.
Features
- Wide input voltage range:
- 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 (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.
Features
- Wide range input is 4.5V to 24V
- High Accurate LED Current 2% Typ. (ILED=100mA)
- LED current modulation method: PFM and DC mode
- 40 Channels flexible PFM generators and independent for 14 Bits PFM Brightness
- Synchronization with TV Frame – VSYNC / HSYNC / Digital PLL Integrated
- Digital Configurable DC/DC Feedback
- Protection For Safety Features
- LED Open Detection
- Temperature Shutdown detection
- UVLO
- PFM and DC Dimming Via SPI Interface
- Adaptive Control Mode (Only PFM mode) For High Efficiency
- Available In QFN 9x9–76 Package
- One global high accurate 10 bit DAC which sets the LED current
- HDR mode 40 channels independent 10 bit DAC
General Description
The APE5033 is an integrated MOSFET and 40 channels LED controller for LCD backlight. It’s a highly accurate LED current 2% (100mA LED current) and wide input voltage range. The APE5033 has 40 Channels flexible PFM generators and independent 14 bits PFM brightness to control LED current for every channel. In addition; it has one global high accurate 10 bit DAC which sets the LED current. It’s synchronization with TV Frame including VSYNC/HSYNC and Digital PLL method. The APE5033 own LED current modulation method including PFM mode and DC mode. When applications have flicker frequency issues, using the DC mode method to eliminate flicker frequency problem. The APE5033 has two pins can be digital configurable DC/DC feedback, that’s for control DC/DC architecture. At the same time; the device using programmable via SPI interface. The APE5033 owns adaptive control mode for high efficiency. It’s build-in protection for safety; includes LED short, LED Open, temperature shutdown protection and UVLO. The APE5033 has an adaptive control mode method for high efficiency and reduce power loss. The APE5033 is available in QFN 9x9-76 packages.
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)
- 1.5A output current capability
- 750KHz / 1.5MHz switching frequency
- Channel 2 Synchronous Buck for Memory (Default 1.2V)
- 1.5A output current capability
- 750KHz / 1.5MHz switching frequency
- Channel 3 Synchronous Buck for I/O (Default 1.8V)
- 1.0A output current capability
- 750KHz / 1.5MHz switching frequency
- Channel 4 Synchronous Buck for I/O (Default 2.5V)
- 1.0A output current capability
- 750KHz / 1.5MHz switching frequency
- Channel 5 Synchronous Buck for I/O (Default 3.3V)
- 1.0A output current capability
- 750KHz / 1.5MHz switching frequency
- Channel 6 VTT Termination LDO Regulator
- 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.
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 0.825V)
- 4A output current capability
- 750KHz / 1.5MHz switching frequency
- Channel 2 Synchronous Buck for Memory (Default 1.15V / 1.25V)
- 3A output current capability
- 750KHz / 1.5MHz switching frequency
- Channel 3 Synchronous Buck for I/O (Default 1.8V)
- 2.5A output current capability
- 750KHz / 1.5MHz switching frequency
- Channel 4 Synchronous Buck for I/O (Default 1.15V)
- 2.5A output current capability
- 750KHz / 1.5MHz switching frequency
- Channel 5 Synchronous Buck for I/O (Default 3.3V)
- 2.5A output current capability
- 750KHz / 1.5MHz switching frequency
- Channel 6 VTT Termination LDO Regulator
- Built-in EN function
- Built-in RST to monitor output voltage status
- Built-in Current Limit/SCP/OVP/OTP
- VTQFN-32 4mmx4mm Thin package
General Description
The APW6017 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/1.15V/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 APW6017 provides excellent transient response and accurate DC voltage output in either PFM or PWM Mode. In Pulse Frequency Modulation mode (PFM), the APW6017 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 APW6017 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.
提供低元件數量設計和低靜態電流的特性,是空間受限的 PCBs 和電池供電應用的理想選擇
此外,茂達電子致力於降低 EMI (Out-of-Phase operation & Spread spectrum),並提供...
茂達電子成立於1997年10月,為台灣第一家掛牌之Power IC (功率積體電路) 設計公司。為滿足高端市場需求,茂達電子於2000年啟動轉型,大幅建置數位/混合 IC 設計能量與相關產品線,成為Power-based mix-signal IC 供應商,提供客戶完整的Mix-signal IC 解決方案。
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精準到位
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).
【環境保護】竹北水月公園淨灘
茂達電子的同仁其中有部分成員攜帶家中小朋友一同共襄盛舉,淨灘時面對需要攀爬堤防的地形毫無懼色,更是爭先恐後地往遠處及靠近河口的泥濘處移動,只為了撿取更多垃圾!垃圾主要分布為寶特瓶、玻璃瓶、鐵鋁罐及塑膠袋等各種民生用品及保麗龍漁具、漁業用浮球等。大人及小孩合計46人參與本次活動,共清除283公斤海洋廢棄物。