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Details for BQ27621YZFT-G1A by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Battery Management
BATT FUEL GAUGE LI-ION 4.5V DSBGA-9
BQ27621YZFT-G1A image

BQ27621YZFT-G1A by Texas Instruments

BATT FUEL GAUGE LI-ION 4.5V DSBGA-9
Features
9-pin 1.62 u00d7 1.58 mm, 0.5 mm pitch YZF package
Easy To Configure Fuel Gauging Based on the Dynamic Voltage Correlation Algorithm u2013 Reports Remaining Capacity and State of Charge (SOC) with Smoothing Filter u2013 Automatically Adjusts for Self-Discharge, Temperature, and Rate Changes
Microcontroller Peripheral Supports: u2013 400-kHz I2 C Serial Interface u2013 Configurable SOC Interrupt or Battery Low Digital Output Warning u2013 Internal Temperature Sensor or Host Reported Temperature
Single-Cell Li-Ion Battery Fuel Gauge u2013 Resides on System Board u2013 Supports Embedded or Removable Batteries u2013 Powered Directly from Battery with Integrated LDO
Support 4.2-V, 4.3-V, and 4.35-V Chemistries
Part Information
BQ27621YZFT-G1A image
RoHS Compliant
Description
The Texas Instruments bq27621-G1 is a minimally configured microcontroller peripheral that provides system-side fuel gauging for single-cell Li-Ion batteries. The device requires very little user configuration and system microcontroller firmware development. The bq27621-G1 uses the Dynamic Voltage Correlation algorithm for fuel gauging. This process eliminates the need for a sense resistor when calculating remaining battery capacity (mAh), stateof-charge (%), battery voltage (mV), and temperature (°C). Battery fuel gauging with the bq27621-G1 requires connections only to PACK+ (P+) and PACK– (P–) for a removable battery pack or embedded battery circuit. The tiny 9-pin, 1.62 mm × 1.58 mm, 0.5 mm pitch YZF package is ideal for space-constrained applications.
Specifications
Battery Management Function:
Fuel Gauge
Battery Type:
Li-Ion
Supply Voltage Min:
2.45V
Supply Voltage Max:
4.5V
Battery IC Case Style:
DSBGA
No. of Pins:
9Pins
IC Interface Type:
I2C
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
Battery Fuel Gauge Li-Ion 0.5mA 0.6V 9-Pin DS-BGA T/R Avnet America
Battery Fuel Gauge Li-Ion 0.5mA 0.6V 9-Pin DS-BGA T/R Avnet Europe