bq27530-G1

www.ti.com

SLUSAL5 – DECEMBER 2012

Battery Management Unit Impedance Track™ Fuel Gauge for Use With the bq2416x

Charger Controller

Check for Samples: bq27530-G1

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FEATURES

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Run Time Improvements

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Longer battery runtime leveraging

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Battery Fuel Gauge and Charger Controller for

Impedance Track technoloogy

1-Series Li-Ion Applications

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Tighter accuracy controls for charger

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Resides on System Main Board

termination

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Battery Fuel Gauge Based on Patented

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Improved recharged thresholds

Impedance Track™ Technology

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Intelligent Charging - Customized and adaptive

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Models the Battery Discharge Curve for

charging profiles

Accurate Time-to-Empty Predictions

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Charger Control based on SoH

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Automatically Adjusts for Battery Aging,

Battery Self-Discharge, and

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Temperature Level Charging (TLC)

Temperature/Rate Inefficiencies

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Battery Charger Controller for bq2416x Single

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Low-Value Sense Resistor (5 m

Ω to 20 mΩ)

Cell Switchmode Battery Charger

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Battery Charger Controller with customizable

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Stand-Alone Charging Solution

charge profiles

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Configurable Charge Voltage and Current

System Microcontroller Port

based on Temperature

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In a 15-Pin NanoFree™ (CSP) Packaging

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Optional State of Health (SoH) and Multi-

level based charge profiles

APPLICATIONS

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Host Free Autonomous Battery Management

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Smartphones, Feature phones and Tablets

System

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Digital Still and Video Cameras

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Reduced software overhead allows for easy

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Handheld Terminals

portability across platforms and shorter

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MP3 or Multimedia Players

OEM design cycles

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Higher safety and security

DESCRIPTION

The Texas Instruments bq27530-G1 system-side Li-Ion Battery Management Unit is a microcontroller peripheral

that provides Impedance Track™ fuel gauging and charging control for single-cell Li-Ion battery packs. The

device requires little system microcontroller firmware development. Together with bq2416x Single Cell

Switchmode Charger, the bq27530-G1 manages an embedded battery (non-removable) or a removable battery

pack.

The bq27530-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 (min), battery voltage (mV),

temperature (°C) and state of health (%).

Battery fuel gauging with the bq27530-G1 requires only PACK+ (P+), PACK– (P–), and Thermistor (T)

connections to a removable battery pack or embedded battery circuit. The CSP option is a 15-ball package in the

dimensions of 2,61 mm × 1,96 mm with 0,5 mm lead pitch. It is ideal for space constrained applications.

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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

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Impedance Track, NanoFree are trademarks of Texas Instruments.

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PRODUCTION DATA information is current as of publication date.

Copyright © 2012, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.