Texas Instruments BQ27421YZFT-G1A Lithium-Ion, Battery Fuel Gauge IC, 2.45 → 4.5 V 9-Pin, DSBGA
Technical documents
Specifications
Brand
Texas InstrumentsBattery Type
Lithium-Ion
Mounting Type
Surface Mount
Package Type
DSBGA
Pin Count
9
Typical Operating Supply Voltage
2.45 → 4.5 V
Dimensions
1.651 x 1.61 x 0.275mm
Length
1.65mm
Width
1.61mm
Height
0.275mm
Maximum Operating Temperature
+85 °C
Minimum Operating Temperature
-40 °C
Country of Origin
Malaysia
Product details
Impedance Track™ Battery Charge Monitors, Texas Instruments
The Li-ion battery charge monitors use the patented Impedance Track™ algorithm for battery fuel gauging, and provide information such as remaining battery capacity (mAh), state-of-charge (%), and battery voltage (mV). It minimises dependence on host processor and improves standby power.
Safety protections such as over/under-temperature, extra levels of over/under-voltage, discharge short circuit, charge overcurrent
Autonomously measures all cell voltages, integrated pack current and temperature every 1 second
Capacity Indication with advanced algorithms
Accurate battery State-Of-Health (SOH) enables accurate prediction of available capacity
Smart charging and adaptability
Battery Management, Texas Instruments
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P.O.A.
250
P.O.A.
250
Technical documents
Specifications
Brand
Texas InstrumentsBattery Type
Lithium-Ion
Mounting Type
Surface Mount
Package Type
DSBGA
Pin Count
9
Typical Operating Supply Voltage
2.45 → 4.5 V
Dimensions
1.651 x 1.61 x 0.275mm
Length
1.65mm
Width
1.61mm
Height
0.275mm
Maximum Operating Temperature
+85 °C
Minimum Operating Temperature
-40 °C
Country of Origin
Malaysia
Product details
Impedance Track™ Battery Charge Monitors, Texas Instruments
The Li-ion battery charge monitors use the patented Impedance Track™ algorithm for battery fuel gauging, and provide information such as remaining battery capacity (mAh), state-of-charge (%), and battery voltage (mV). It minimises dependence on host processor and improves standby power.
Safety protections such as over/under-temperature, extra levels of over/under-voltage, discharge short circuit, charge overcurrent
Autonomously measures all cell voltages, integrated pack current and temperature every 1 second
Capacity Indication with advanced algorithms
Accurate battery State-Of-Health (SOH) enables accurate prediction of available capacity
Smart charging and adaptability