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Texas Instruments BQ25170DSGR — Power Management (PMIC / Gate Driver)

BQ25170DSGR – 800 mA Linear Battery Charger, 8-WSON, Active

MPNBQ25170DSGR
Active

Texas Instruments BQ25170DSGR, BQ25170 series, 800 mA linear battery charger, multi-chemistry support, 8-WFDFN exposed pad package, surface mount, active production.

$1.7600Ref. price · indicative, final on quote
Texas Instruments BQ25170DSGR datasheet (PDF)
Packaging8-WFDFN Exposed Pad
RoHSNot applicable
SeriesBQ25170
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

BQ25170DSGR specifications
ParameterValue
SeriesBQ25170
MountingSurface Mount
Battery pack voltage4.4V
Voltage6.6V
Current - chargingConstant - Programmable
Charge current - max800mA
Operating temperature-40°C ~ 125°C (TJ)
PackageTape & Reel (TR) Cut Tape (CT)
Case8-WFDFN Exposed Pad
Number of cells1
Fault protectionOver Current, Over Temperature, Over Voltage, Short Circuit
Battery chemistryMulti-Chemistry
Programmable featuresCurrent, Voltage

Product details

800 mA linear charger with 125°C junction ceiling

The BQ25170DSGR is a linear battery charger from the BQ25170 series, supporting multi-chemistry cells with a programmable charge current up to 800 mA. The input supply maximum of 6.6 V sets the ceiling for the wall adapter or USB rail. Constant-current constant-voltage (CC/CV) charging with programmable current and voltage targets. Fault protection covers overcurrent, overtemperature, overvoltage, and short-circuit events.

Charge current and package thermal budget

The 800 mA maximum charge current is the headline rating a procurement or design engineer compares first. The 4.4 V battery pack voltage targets single-cell Li-ion or LiFePO4 applications. The device charges a single cell and accepts multiple chemistries, so the same BOM line can serve products with different battery types by adjusting the resistor-divider network.

The part can be quoted to order against a BOM line without a forced redesign cycle.

Frequently asked questions

What is the maximum charge current of the BQ25170DSGR?

The maximum programmable charge current is 800 mA. The actual current in a design depends on the thermal pad layout and ambient temperature, but the device is rated to deliver 800 mA into a single-cell battery.

What package does the BQ25170DSGR use, and what are the mounting considerations?

The BQ25170DSGR is supplied in an 8-WFDFN exposed pad package, with a supplier device package of 8-WSON (2x2 mm). The part is surface-mount.

Is the BQ25170DSGR RoHS compliant?

The evidence does not explicitly state RoHS compliance status. The part is supplied in a standard Tape & Reel / Cut Tape package, and Texas Instruments typically marks RoHS compliance on the product label. Confirm with the datasheet or an RFQ.

Does the BQ25170DSGR support lithium-ion batteries?

Yes, the BQ25170 supports multi-chemistry cells, which includes lithium-ion. The 4.4 V battery pack voltage is suitable for single-cell Li-ion with a 4.2 V or 4.35 V termination voltage, programmable via the voltage-setting resistor.

What is the typical application for the BQ25170DSGR?

The linear charger is suited for portable devices, wearables, IoT sensors, and medical instruments where a low-noise charge path and small footprint (2x2 mm WSON) are needed. The wide temperature range also fits industrial and automotive cabin applications.