bq30z554-R1

www.ti.com

SLUSBD4 – OCTOBER 2013

2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager

Check for Samples: bq30z554-R1

1

FEATURES

DESCRIPTION

The

bq30z554-R1

device

is

a

fully

integrated

2

•

Fully Integrated 2-Series, 3-Series, and 4-

Impedance Track™ gas gauge and analog monitoring

Series Li-Ion or Li-Polymer Cell Battery Pack

single-package solution that provides protection and

Manager and Protection

monitoring with authentication for 2-series, 3-series,

•

High Side N-CH Protection FET Drive

and 4-series cell Li-Ion battery packs. The bq30z554-

R1 device incorporates sophisticated algorithms that

•

Impedance Track™ Gas Gauging

offer cell balancing while charging or at rest.

•

Integrated Cell Balancing While Charging or At

Rest

The device communicates via an SBS v1.1 interface,

providing high accuracy cell parameter reporting and

•

PF Snapshot and Black Box Technology

control of battery pack operation, and can be

Analyze Returned Packs

designed into systems that require AC peak power

•

AC Peak Power Information Capability

(TURBO mode), using a method to ensure that

(TURBO Mode)

system performance is not disrupted.

•

SBS v1.1 Interface

An optimum balance of quick response hardware-

•

Low Power Modes

based protection along with intelligent CPU control

delivers an ideal pack solution. The device has

–

Low Power: < 180

μA

flexible user-programmable settings of critical system

–

Sleep < 76

μA

parameters, such as voltage, current, temperature,

•

Complete Set of Advanced Protections:

and cell imbalance, among other conditions.

–

Internal Cell Short

The bq30z554-R1 device has advanced charge

–

Cell Imbalance

algorithms, including JEITA support, enhanced cell

charging,

and

adaptive

charging

compensating

–

Cell Voltage

charge losses, enabling faster charging. In addition,

–

Overcurrent

the

bq30z554-R1

device

can

monitor

critical

–

Temperature

parameters over the life of the battery pack, tracking

usage conditions.

–

FET Protection

•

Sophisticated Charge Algorithms

A

general

purpose

output

is

used

for

power

interruption, employing an external push button

–

JEITA

switch.

–

Enhanced Charging

The advanced snapshot and black box functionality

–

Adaptive Charging

show critical information for analysis of returned

–

Cell Balancing While Charging or At Rest

battery packs.

•

General Purpose Output for Power Interrupt

SHA-1

authentication

with

secure

memory

for

•

Diagnostic Lifetime Data Monitor

authentication keys enables identification for genuine

•

SHA-1 Authentication

battery packs beyond doubt.

•

Small Package: TSSOP

APPLICATIONS

•

Notebook/Netbook PCs

•

Medical and Test Equipment

•

Portable Instrumentation

1

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.

2

Impedance Track is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2013, 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.