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Details for BQ27546YZFT-G1 by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Battery Management
BQ27546YZFT-G1
Buy Directly from Texas Instruments (250 in stock) $1.1100
BATT FUEL GAUGE LI-ION/POL 4.5V DSBGA
BQ27546YZFT-G1 image

BQ27546YZFT-G1 by Texas Instruments

BATT FUEL GAUGE LI-ION/POL 4.5V DSBGA
Features
Advanced Fuel Gauging Features u2013 Internal Short Detection u2013 Tab Disconnection Detection
Battery Fuel Gauge for 1-Series (1sXp) Li-Ion Applications up to 14,500-mAh Capacity
Battery Fuel Gauging Based on Patented Impedance Tracku2122 Technology u2013 Models Battery Discharge Curve for Accurate Time-To-Empty Predictions u2013 Automatically Adjusts for Battery Aging, Battery Self-Discharge, and Temperature/Rate Inefficiencies u2013 Low-Value Sense Resistor (5 mu2126 to 20 mu2126)
HDQ and I2 Cu2122 Interface Formats for Communication with Host System
Microcontroller Peripheral Provides: u2013 Internal or External Temperature Sensor for Battery Temperature Reporting u2013 SHA-1/HMAC Authentication u2013 Lifetime Data Logging u2013 64 Bytes of Non-Volatile Scratch Pad FLASH
Small 15-Ball Nano-Freeu2122 (DSBGA) Packaging
Part Information
BQ27546YZFT-G1 image
RoHS Compliant
Description
The bq27546-G1 Li-Ion battery fuel gauge is a microcontroller peripheral that provides fuel gauging for single-cell Li-Ion battery packs. The device requires minimal system microcontroller firmware development for accurate battery fuel gauging. The bq27546-G1 resides within the battery pack or on the system’s main-board with an embedded battery (nonremovable). The bq27546-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), and temperature (°C). It also provides detections for internal short or tab disconnection events. The bq27546-G1 features integrated support for secure battery pack authentication, using the SHA1/HMAC authentication algorithm. The device comes in a 15-ball Nano-Free™ DSBGA package (2.61 mm × 1.96 mm) that is ideal for spaceconstrained applications.
Specifications
Battery Management Function:
Fuel Gauge
Battery Type:
Li-Ion Li-Pol
Supply Voltage Min:
2.8V
Supply Voltage Max:
4.5V
Battery IC Case Style:
DSBGA
No. of Pins:
15Pins
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/Li-Pol 15-Pin DSBGA T/R Avnet America
Battery Fuel Gauge Li-Ion/Li-Pol 15-Pin DSBGA T/R Avnet Europe
Single cell Impedance Track™ pack side fuel gauge with DSBGA package Texas Instruments