LP3918
- Fully Integrated Li-Ion Battery Charger with Thermal Regulation
- USB Charge Mode
- 7 Low Noise LDO’s
- 2 x 300 mA
- 3 x 150 mA
- 2 x 80 mA
- I2C Compatible Interface for Controlling LDO Outputs and Charger Operation
- Thermal Shutdown
- Under Voltage Lockout
- 25-Bump Thin DSBGA Package 2.5 x 2.5 mm
- Options Available on Request, Please Contact Sales Office for Further Information;
- Level Detect on HF_PWR & PWR_ON
- LDO Charging Mode
- Custom Default Settings on Charger, and LDO O/P's.
Key Specifications
- 50mA to 950mA Programmable Charge Current
- 3.0V to 5.5V Input Voltage Range
- 200mV Typ. Dropout Voltage on 300 mA LDO’s
- 2% (Typ) Output Voltage Accuracy on LDO’s
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The LP3918 is a fully integrated charger and multi-regulator unit designed for CDMA cellular phones. The LP3918 contains a Li-Ion battery charger, 7 low noise low dropout (LDO) voltage regulators and a high-speed serial interface to program on/off conditions and output voltages of individual regulators, and also to read status information from the PMU.
The Li-Ion charger integrates a power FET, reverse current blocking diode, sense resistor with current monitor output, and requires only a few external components. Charging is thermally regulated to obtain the most efficient charging rate for a given ambient temperature.
LDO regulators provide high PSRR and low noise ideally suited for supplying power to both analog and digital loads.
기술 문서
| 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | LP3918 Battery Charge Management and Regulator Unit datasheet (Rev. D) | 2013/05/03 |
설계 및 개발
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| 패키지 | 핀 | 다운로드 |
|---|---|---|
| DSBGA (YZR) | 25 | 옵션 보기 |
주문 및 품질
- RoHS
- REACH
- 디바이스 마킹
- 납 마감/볼 재질
- MSL 등급/피크 리플로우
- MTBF/FIT 예측
- 물질 성분
- 인증 요약
- 지속적인 신뢰성 모니터링
- 팹 위치
- 조립 위치