BQ27545-G1 - 单节、电池组端 Impedance Track 电量监测计

BQ27545-G1是TI德州仪器公司的一款电池电量监测产品，BQ27545-G1是单节、电池组端 Impedance Track 电量监测计，本站介绍了BQ27545-G1的封装应用图解、特点和优点、功能等，并给出了与BQ27545-G1相关的TI元器件型号供参考。

BQ27545-G1 - 单节、电池组端 Impedance Track 电量监测计 - 电池电量监测 - 电池管理产品 - 德州仪器

产品特性

Battery Fuel Gauge for 1-Series (1sXp) Li-Ion Applications up to 14500-mAh Capacity
Microcontroller Peripheral Provides:
- Accurate Battery Fuel Gauging supports up to 14500 mAh
- Internal or External Temperature Sensor for Battery Temperature Reporting
- SHA-1/HMAC Authentication
- Lifetime Data Logging
- 64 Bytes of Non-Volatile Scratch Pad FLASH
Battery Fuel Gauging Based on Patented Impedance Track™ Technology
- Models Battery Discharge Curve for Accurate Time-To-Empty Predictions
- Automatically Adjusts for Battery Aging, Battery Self-Discharge, and Temperature and Rate Inefficiencies
- Low-Value Sense Resistor (5 mΩ to 20 mΩ)
Advanced Fuel Gauging Features
- Internal Short Detection
- Tab Disconnection Detection
HDQ and I2C Interface Formats for Communication With Host System
Small 15-ball Nano-free™ (DSBGA) Packaging

产品应用

Smartphones
Tablets
Digital Still and Video Cameras
Handheld Terminals
MP3 or Multimedia Players

产品说明

The bq27545-G1 Li-ion battery fuel gauge is a microcontroller peripheral that provides fuel gauging for single-cell Li-Ion battery packs. The device requires little system microcontroller firmware development for accurate battery fuel gauging. The bq27545-G1 resides within the battery pack or on the system’s main-board with an embedded battery (non removable).

The bq27545-G1 uses the patented Impedance Track™ algorithm for fuel gauging, and provides information such as remaining battery capacity (mAh), state-of-charge (%), run-time to empty (minimum), battery voltage (mV), and temperature (°C). It also provides detections for internal short or tab disconnection events.

The bq27545-G1 also features integrated support for secure battery pack authentication, using the SHA-1/HMAC authentication algorithm.

The device comes in a 15-ball Nano-Free™ DSBGA package (2.61 mm × 1.96 mm) that is ideal for space constrained applications.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
bq27545-G1	DSBGA (15)	1.75 mm × 3.00 mm

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