BQ24715 Series

SMBus 2-3 cell NVDC Buck battery charge controller with N-Channel MOSFET selectors

Link to Manufacturer Page: https://www.ti.com/

Catalog

SMBus 2-3 cell NVDC Buck battery charge controller with N-Channel MOSFET selectors

Part	Battery Chemistry	Interface	Number of Cells [Min] [custom]	Number of Cells [Max] [custom]	Voltage - Supply (Max) [Max]	Package / Case	Mounting Type	Utilized IC / Part	Supplied Contents	Function	Type
Texas Instruments BQ24715RGRT	Lithium Ion	SMBus	2	3	24 V	20-VFQFN Exposed Pad	Surface Mount
Texas Instruments BQ24715RGRR	Lithium Ion	SMBus	2	3	24 V	20-VFQFN Exposed Pad	Surface Mount
Texas Instruments BQ24715EVM-115								BQ24715	Board(s)	Battery Charger	Power Management

Key Features

• 6-24V Input SMBus NVDC-1 2-3S Battery Charger ControllerSystem Instant-on Operation with No Battery or Deeply Discharged BatteryUltra-Fast Transient Response of 100 µsUltra-Low Quiescent Current of 500 µA and High PFM Light Load Efficiency 80% at 20mA load to Meet Energy Star and ErP Lot6Switching Frequency: 600kHz/800kHz/1MHzProgrammable System/Charge Voltage (16 mV/step), Input/Charge Current (64 mA/step) with High Accuracy±0.5% Charge Voltage Regulation±3% Input/Charge Current Regulation±2% 40x Input/16x Discharge Current Monitor OutputSupport Battery LEARN FunctionMaximize CPU Performance with Deeply Discharged Battery or No BatteryIntegrated NMOS ACFET and RBFET Driver20-pin 3.5 × 3.5 mm2QFN Package6-24V Input SMBus NVDC-1 2-3S Battery Charger ControllerSystem Instant-on Operation with No Battery or Deeply Discharged BatteryUltra-Fast Transient Response of 100 µsUltra-Low Quiescent Current of 500 µA and High PFM Light Load Efficiency 80% at 20mA load to Meet Energy Star and ErP Lot6Switching Frequency: 600kHz/800kHz/1MHzProgrammable System/Charge Voltage (16 mV/step), Input/Charge Current (64 mA/step) with High Accuracy±0.5% Charge Voltage Regulation±3% Input/Charge Current Regulation±2% 40x Input/16x Discharge Current Monitor OutputSupport Battery LEARN FunctionMaximize CPU Performance with Deeply Discharged Battery or No BatteryIntegrated NMOS ACFET and RBFET Driver20-pin 3.5 × 3.5 mm2QFN Package

Description

The bq24715 is a NVDC-1 synchronous battery charge controller with low quiescent current, high light load efficiency for 2S or 3S Li-ion battery charging applications, offering low component count. The power path management allows the system to be regulated at battery voltage but does not drop below the programmable system minimum voltage. The bq24715 provides N-channel ACFET and RBFET drivers for the power path management. It also provides driver of the external P-channel battery FET. The loop compensation is fully integrated. The bq24715 has programmable 11-bit charge voltage, 7-bit input/charge current and 6-bit minimal system voltage with very high regulation accuracies through the SMBus communication interface. The v monitors adapter current or battery discharge current through the IOUT pin allowing the host to throttle down CPU speed when needed. The bq24715 provides extensive safety features for over current, over voltage and MOSFET short circuit. The bq24715 is a NVDC-1 synchronous battery charge controller with low quiescent current, high light load efficiency for 2S or 3S Li-ion battery charging applications, offering low component count. The power path management allows the system to be regulated at battery voltage but does not drop below the programmable system minimum voltage. The bq24715 provides N-channel ACFET and RBFET drivers for the power path management. It also provides driver of the external P-channel battery FET. The loop compensation is fully integrated. The bq24715 has programmable 11-bit charge voltage, 7-bit input/charge current and 6-bit minimal system voltage with very high regulation accuracies through the SMBus communication interface. The v monitors adapter current or battery discharge current through the IOUT pin allowing the host to throttle down CPU speed when needed. The bq24715 provides extensive safety features for over current, over voltage and MOSFET short circuit.