Datasheet > BQ298216RUGR

BQ298216RUGR

更新时间： 2024-10-29 02:44:39

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
28页	2175K
描述
BQ298xyz Voltage, Current, Temperature Protectors with an Integrated High-Side NFET Driver for Fast/Flash Charging Single-Cell Li-Ion and Li-Polymer Batteries

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BQ298216RUGR 数据手册

BQ2980, BQ2982

SLUSCS3I – OCTOBER 2017 – REVISED NOVEMBER 2021

BQ298xyz Voltage, Current, Temperature Protectors with an Integrated High-Side

NFET Driver for Fast/Flash Charging Single-Cell Li-Ion and Li-Polymer Batteries

1 Features

3 Description

•

Voltage protection:

The BQ298xyz family of devices, featuring integrated

charge-pump FET drivers, provides high-side primary

battery cell protection for 1-series Li-ion and Li-

Polymer batteries, enabling consistent Rdson across

cell voltages. For better system thermal performance,

the BQ298x device's accuracy enables the use of a

sense resistor as low as 1 mΩ.

– Overvoltage (OV): ±10 mV

– Undervoltage (UV): ±20 mV

Current protection:

– Overcurrent in charge (OCC): ±1 mV

– Overcurrent in discharge (OCD): ±1 mV

– Short circuit in discharge (SCD): ±5 mV

Temperature protection:

– Overtemperature (OT)

Additional features:

– Supports as low as a 1-mΩ sense resistor

•

The CTR pin in the BQ298x device can be configured

to override the FET driver by host control to create a

system reset or shutdown function. Alternatively, the

CTR pin can be configured to connect an external

Positive Temperature Coefficient (PTC) thermistor for

FET OT protection in addition to the internal die

temperature sensor. The BQ2980xy devices support

zero-volt (0-V) charging, while the BQ2982xy devices

have this disabled.

(R_SNS

)

– High-side protection

– High Vgs FET drive

– 0-V charging (only BQ2980)

– CTR pin for FET override control for system

reset/shutdown

– Configure CTR for second OT protection

through an external PTC thermistor

Current consumption:

– NORMAL mode: 4 µA

– SHUTDOWN mode: 0.1-µA maximum

Package:

Device Information

PART

PACKAGE

BODY SIZE (NOM)

NUMBER⁽¹⁾

•

BQ2980xy

X2QFN

1.50 mm × 1.50 mm × 0.37 mm

BQ2982xy

(1) For all available packages, see the orderable addendum and

Device Comparison Table.

– 8-pin X2QFN: 1.50 × 1.50 × 0.37 mm

PACK+

2 Applications

Option to configure for PTC protection

VDD

BAT

PACK

•

Smartphones

Tablets

Power bank

Wearables

CTR

VSS

BAT

CHG

VDD

VSS

DSG

PACK

CTR

PACK–

CTR

System

Reset

VDD

Scale RC values for

system reset timing

PACK–

SNS

Simplified Schematic

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...28

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