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2A, 5V Input, Synchronous Buck Converter

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.
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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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40 Channels LED Controller for LCD Backlight

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 Short Detection
- 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.
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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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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 0.825V)
- 0.625V~0.975V programmable with 25mV step
- 4A output current capability
- 750KHz / 1.5MHz switching frequency
  • Channel 2 Synchronous Buck for Memory (Default 1.15V / 1.25V)
- 0.875V~1.45V programmable with 25mV step
- 3A output current capability
- 750KHz / 1.5MHz switching frequency
  • Channel 3 Synchronous Buck for I/O (Default 1.8V)
- 1.4V~2.2V programmable with 50mV step
- 2.5A output current capability
- 750KHz / 1.5MHz switching frequency
  • Channel 4 Synchronous Buck for I/O (Default 1.15V)
- 0.85V~1.35V programmable with 50mV step
- 2.5A output current capability
- 750KHz / 1.5MHz switching frequency
  • Channel 5 Synchronous Buck for I/O (Default 3.3V)
- 2.95V~3.65V programmable with 50mV step
- 2.5A 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

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.
Application
Fan

Fan

驅動IC 系列應用於 : 桌機、筆記本、伺服器、工業產品、汽車、家電、工具機、機器人……能提供完整的馬達驅動方案

近期推出數位型調控自動偵測IC,克服許多因極性與機構產生的共振問題...

Notebook
為採用 Intel、AMD CPU 的筆記型電腦提供完整電源解決方案

產品包括 DC/DC 轉換器/控制器、線性穩壓器、負載開關和 USB 端口解決方案等...

Motherboard
為採用 Intel、AMD CPU 和 DDR 存儲器的主機板提供完整電源解決方案

產品包括 DC/DC 轉換器/控制器、線性穩壓器、負載開關和 USB-C 接口解決方案等...

LCD

LCD

針對電視及顯示器應用,提供電源管理IC,LED 驅動IC、音頻放大器、光學感測IC等......

所有IC都內建過度高溫及過載電流保護裝置能預防其他零組件於異常狀況受到破壞

Surveillance
為消費性、可攜式/IOT和車用電子產品,提供單獨高壓DC/DC電源解決方案和高整合/客製化 PMICs

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

Memory
為 DDR 記憶體提供各種分離或整合化的電源解決方案

推出的全新整合式電源方案是滿足其高性能、高可靠性需求的最佳選擇...

SPS

SPS

能夠滿足高能源效益、能源密度及可靠度等標準的解決方案

提供多元的品質半導體解決方案組合,能為客戶提供適用於交換式電源供應器的最佳產品

Comm.
為小型蜂窩基地台、無源光網絡、路由器和電視機上盒提供廣泛的解決方案

產品提供高效率、高密度,和靈活性,可幫助設計人員在狹小的機體尺寸中,實現具有成本效益的高性能應用

VGA Card
顯示卡是以圖形處理器為核心,為顯示設備提供顯示訊息的硬體裝置

提供了各式電源解決方案以及負載開關,以滿足其高性能計算和顯示的需要...

Optical
在TV、Notebook的應用中,為符合EnergyStar 及 TUV Evey comfortable新規範,開發ALS、RGB Sensor、Spectrum Sensor。
Storage
為固態硬碟 (SSD) 和伺服器提供具有低能耗、精確感應和高效能的電源管理產品

提供完整的解決方案,來支援專門為數據中心開發的平台...

Automotive
茂達電子為汽車電子提供了完整的電源解決方案,規劃支援輸入電壓範圍從 3V 到 42V,並提供輸出電流範圍從 1A 到 6A。

此外,茂達電子致力於降低 EMI (Out-of-Phase operation & Spread spectrum),並提供...

About Us
品質保證 是茂達對社會的承諾

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。

持續改善

持續改善

客戶滿意

客戶滿意

品質承諾

品質承諾

全員參與

全員參與

精準到位

精準到位

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113年股東常會
DATE 2024/02/27
公司訊息

113年股東常會

股東常會
時間 : 113/06/21 9:00 A.M.

茂達電子公佈112年全年合併財務報表,稅後每股盈餘為新台幣7元
DATE 2024/02/26
財務訊息

茂達電子公佈112年全年合併財務報表,稅後每股盈餘為新台幣7元

茂達電子今(2月26日)召開董事會,通過112年度財務報表。

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

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).

112年第三季線上法人說明會
DATE 2023/11/22
公司訊息

112年第三季線上法人說明會

本公司受邀參加康和綜合證券線上法人說明會

茂達電子公佈112年第三季合併財務報表,稅後每股盈餘為新台幣4.88元
DATE 2023/11/10
財務訊息

茂達電子公佈112年第三季合併財務報表,稅後每股盈餘為新台幣4.88元

茂達電子今(11月10日)召開董事會,通過112年第三季財務報表。

茂達電子公佈112年第二季合併財務報表,稅後每股盈餘為新台幣2.68元
DATE 2023/08/09
財務訊息

茂達電子公佈112年第二季合併財務報表,稅後每股盈餘為新台幣2.68元

茂達電子今(8月9日)召開董事會,通過112年第二季財務報表。

【社會關懷】熱血茂達,缺你不型
DATE 2023/07/05
社會參與

【社會關懷】熱血茂達,缺你不型

今年不時傳出血庫缺血的警訊,茂達同仁秉持 "捐血一袋,救人一命" 的理念捐出自己滿腔熱血。本次活動總共捐出106袋血。

茂達電子公佈112年第一季合併財務報表,稅後每股盈餘為新台幣1元
DATE 2023/05/10
財務訊息

茂達電子公佈112年第一季合併財務報表,稅後每股盈餘為新台幣1元

茂達電子今(5月10日)召開董事會,通過112年第一季財務報表。

【社會關懷】春日獻愛
DATE 2023/04/12
社會參與

【社會關懷】春日獻愛

本著關懷弱勢回饋社會的精神,向喜憨兒烘焙坊採購289份點心餐盒,費用合計77980元。

【環境保護】竹北水月公園淨灘
DATE 2023/03/26
社會參與

【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。

111年第四季線上法人說明會
DATE 2023/03/03
公司訊息

111年第四季線上法人說明會

本公司受邀參加康和綜合證券線上法人說明會

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