BQ25758S
- Wide input voltage operating range: 4.4V to 26V
- Synchronous buck boost DC/DC controller with NFET drivers
- Adjustable switching frequency from 200kHz to 600kHz
- Optional synchronization to external clock
- Integrated loop compensation with soft start
- Selectable PFM operation for light load efficiency improvement
- Optional gate driver supply input for optimized efficiency
- Support USB-PD Standard Power Range (SPR) in forward and reverse power direction
- Adjustable input and output voltage regulation from 3.3V to 26V with 20mV/step
- Adjustable input and output current regulation (RAC_SNS, ROUT_SNS) from 400mA to 20A with 50mA/step using 5mΩ resistor
- Bypass mode for highest efficiency with VOUT = VAC
- Buck-only mode
- High accuracy
- ±2% output voltage regulation
- ±3% output current regulation
- ±2% input voltage regulation
- ±3% input current regulation
- I2C controlled for optimal system performance with resistor-programmable option
- Hardware adjustable input and output current limits
- Integrated 16-bit ADC for voltage, current, and temperature monitoring
- High safety integration
- Adjustable input overvoltage and undervoltage protection
- Output Overvoltage and overcurrent protection
- Thermal shutdown
- Status outputs
- Adapter present status (PG)
- Switcher Operation status (STAT)
- Package
- 36-pin 5mm × 6mm QFN
BQ25758S is a bidirectional switched-mode buck-boost controller. The device offers high-efficiency power conversion over a wide voltage range with output CC-CV control. The device integrates all the loop compensation for the buck-boost converter, thereby providing a high density solution with ease of use. In reverse mode, the device draws power from the output supply and regulates the input terminal voltage with an added constant current loop for protection.
Besides the I2C host-controlled mode, the device also supports programmable hardware limits. Input current, and output current regulation targets can be set with single resistor on the IIN, and IOUT pins, respectively. By default, the device is programmed to provide 5V output, and the target output voltage can be adjusted via the VOUT_REG register bits.
기술 자료
유형 | 직함 | 날짜 | ||
---|---|---|---|---|
* | Data sheet | BQ25758S: I2 C Controlled, Bidirectional Buck-Boost Controller datasheet | PDF | HTML | 2024/08/23 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
BQ25758AEVM — BQ25758A evaluation module
패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
---|---|---|
VQFN (RRV) | 36 | Ultra Librarian |
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
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.