AS3729B Power Management Unit
8A dual-phase power stage (2 x 4A)
특징
- 2 phases with separate control input
- Separate power NMOS and PMOS for 4A per phase
- Stand-alone zero-crossing operation
- Integrated temperature monitoring
- WL-CSP16: 1.615mm x 1.615mm, 0.4mm pitch
장점
- Support for single or dual operation
- 2 x 4A output stages are running on 2.7MHz
- Overtemperature protection
- Cost effective, small package
제품 매개 변수
| DC-DC Step Up Converters | |
|---|---|
| DC-DC Step Down Converters | 2-phase power stage with 2x4A |
| Special LDOs [mA] | |
| Universal LDOs [mA] | |
| Current Sinks [mA] | |
| Charge Pump [V/mA] | |
| Audio DAC [dB SNR] | |
| Audio ADC [dB SNR] | |
| Audio Features | |
| General Purpose ADC [bit] | |
| Charger | |
| Customizable Startup Sequences | |
| Package | WL-CSP16 (1.615 x 1.615) |
일반 설명
The AS3729B is a companion chip for the AS3715/21/22 PMICs containing control circuitry and power FETs for 2 phases. Up to 4 ICs can be used in parallel to achieve 32A drive capability.
Not Recommended for New Designs
ams-OSRAM AG is discontinuing production of this device.
이 제품은 다음 적용 분야에 적합합니다:
- Mobile phones
- Tablets
- Notebooks
툴
| 명칭 | 카테고리 | 제목 | 구매 |
|---|---|---|---|
| AS3715EvalKit | Application Board | Evaluation Kit for AS3715 |
기술 문서
| 유형 | 설명 | 언어 | ||
|---|---|---|---|---|
| Datasheet | Document version 1-03 | English |
알림
| 유형 | 설명 | 언어 | ||
|---|---|---|---|---|
| EoL Notification | WITHDRAWAL of EOL for AS3729B-BWLT and AS3729B-BWLM (issued 2020-Jan) | English | ||
| EoL Notification | AS252x, AS36xx, AS37xx_AS3956 (issued 2019-Sep) | English | ||
| EoL Notification | AS3729B-BWLx EoL Notification (issued Nov-22-2021) | English |
기타 정보
| 유형 | 설명 | 언어 | ||
|---|---|---|---|---|
| Block Diagram | AS3729B Block Diagram | English |
관련 보드
Evaluation Kit for AS3715
AS3715EvalKit
The AS3715 Evaluation Kit allows you to easily evaluate the principle functionality of the AS3715 power management unit. All functions and registers can be controlled via the included PC GUI software.
Kit Content:
- 1 USB flash drive (includes documents and software)
- Evaluation board:
- AS3715: 81-pin WL-CSPCTBGA 0.5mm pitch
- AS3729: 16-pin WL-CSP 0.4mm pitch
- USB connection cable
Please note that ams-OSRAM AG is discontinuing production of AS3715.