BQ27Z758
- Integrated battery gas gauge and protector
- Flash-programmable custom BQBMP RISC CPU
- SHA-256 authentication
- 400kHz I2C bus communications interface
- Low-voltage (2.0V) operation
- Zero volt charging with no inhibit (ZVCHG) for systems with secondary protectors
- Two independent precision 16-bit ADCs
- Coulomb counting ADC with current sense resistor down to 1mΩ
- Voltage ADC for cell voltage and external and internal temperature sensors
- Battery fuel gauging based on patented Impedance Track™ technology
- Models battery discharge curve for accurate time-to-empty predictions
- Automatically adjusts for aging, temperature, and rate-induced effects on the battery
- Battery Kelvin sense differential analog output pins with built-in protection
- High-side or low-side current sensing
- Programmable hardware-based protection
- High-side FET gate drivers
- Overvoltage and undervoltage (OVP and UVP)
- Overcurrent in discharge and overcurrent in charge (OCD and OCC)
- Short circuit in discharge (SCD)
- Firmware-based overtemperature (OT)
- Reduced typical power modes
- SLEEP mode: 20µA
- SHIP mode: 10µA
- SHELF mode: 5µA
- SHUTDOWN mode: 0.2µA
- Ultra-compact, 15-ball NanoFree™ DSBGA
The Texas Instruments BQ27Z758 Impedance Track™ gas gauge solution is a highly integrated, accurate 1-series cell gas gauge and protection solution.
The BQ27Z758 device provides a fully integrated, pack-based solution with a flash programmable custom reduced instruction-set CPU (RISC), safety protection, differential battery sensing analog output, and authentication for 1-series cell Li-ion and Li-polymer battery packs.
The BQ27Z758 gas gauge communicates through an I2C compatible interface and combines an ultra-low power TI BQBMP processor, high accuracy analog measurement capabilities, integrated flash memory, N-CH high-side FET drive, and a SHA-2 Authentication transform responder into a complete, high-performance battery management solution.
기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 날짜 |
|---|---|---|---|---|
| * | Data sheet | BQ27Z758 Impedance Track Technology Battery Gas Gauge and Protection Solution for 1-Series Cell Li-Ion Battery Packs datasheet (Rev. C) | PDF | HTML | 2025/09/11 |
| Application note | How to Create and Program Authentication Keys into TI Battery Fuel Gauges | PDF | HTML | 2025/03/05 | |
| Application note | BQ27Z746 Hardware Protection Threshold Calibration | PDF | HTML | 2024/12/02 | |
| User guide | BQ27Z746-R1 and BQ27Z758 Technical Reference Manual (Rev. C) | PDF | HTML | 2024/07/09 | |
| EVM User's guide | BQ27Z746 Impedance Track Battery Gas Gauge and Protection Solution for 1-Series (Rev. A) | PDF | HTML | 2023/10/19 | |
| Application note | Design Flexibility for Reverse Charge Protection Using BQ27Z746 | PDF | HTML | 2023/08/02 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
BQ27Z746EVM-047 — BQ27Z746 보호 솔루션을 지원하는 Impedance Track™ 배터리 가스 게이지 평가 모듈
BQ27Z746EVM-047 EVM(평가 모듈)은 BQ27Z746 배터리 관리자에게 완벽한 평가 시스템입니다. EVM에는 통합 보호 회로 모듈이 포함된 BQ27Z746 및 Windows® 기반 PC 소프트웨어에 대한 링크가 포함되어 있습니다. BQ27Z746 통합 회로(IC) 및 모든 온보드 구성 요소가 제공되므로 중요 셀 매개 변수를 모니터링하고, 셀 용량 및 상태를 예측하고, 1 시리즈 셀 리튬 이온 또는 리튬 폴리머 배터리 팩의 과충전, 과방전, 단락 및 과전류로부터 셀을 보호합니다. BQ27Z746EVM은 다른 팩 구성에 (...)
BQ-BMS-PROGRAMMER-SW — Command line programmers for BQ products
BQ-BATTERY-PROGRAMMER-SW software development kit (SDK) is a collection of robust software command line tools that assist with the process of programming, testing, or assembling packs that use TI Battery management products. The executables in this software work with the MKST-3P-ALT-EV2300 MKS (...)
지원되는 제품 및 하드웨어
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| DSBGA (YAH) | 15 | 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.