Texas Instruments BQ24140YFFT — Power Management (PMIC / Gate Driver)
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RoHS Compliant · Lead-Free EIA-481 Standard
Texas Instruments / Power Management (PMIC / Gate Driver)

BQ24140YFFT Texas Instruments Li-Ion Charger IC, I²C, 1.5A

MPN BQ24140YFFT
Active Spot Stock · 24-48h Dispatch 100% Original Sealed

Texas Instruments BQ24140YFFT, single-cell Li-Ion/Polymer battery charger IC, I²C programmable charge current and timer, 1.5A max charge current, 9V max supply, 30-bump DSBGA package, -30°C to 85°C operation.

In Stock: 3,095 pcs
MOQ: 1 pcs
Logistics: DHL / FedEx DAP (Global Express · 3-7d) Russia & CIS DDP (Door-to-Door Cleared)
Dispatch: Shenzhen / HK
Unit Price (USD)
$5.22 / pc
Direct Purchase Ready
Volume Pricing Breaks Confirmed upon quotation
1+ pcs
$5.22
10+ pcs
$4.70
30+ pcs
$4.28
100+ pcs
$3.86
500+ pcs
$3.60
1,000+ pcs
$3.39
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$5.22 / ea

3,095 in stock — maximum per order · 3–4 days lead time

$4.70 / ea from 10 pcs

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[SPEC] Essential Parameters Snapshot Full Specifications (13)
Package / Case 30-UFBGA, DSBGA
Supply Voltage 9V

Full Technical Specifications

13 Parameters
BQ24140YFFT specifications
Parameter / AttributeSpecification / Value
MountingSurface Mount
Battery pack voltage4.44V (Max)
Supply voltage9V
Current - chargingConstant - Programmable
Charge current - max1.5A
InterfaceI²C
Operating temperature-30°C~85°C(TA)
PackageTape & Reel (TR); Cut Tape (CT)
Case30-UFBGA, DSBGA
Number of cells1
Fault protectionOver Temperature, Over Voltage
Battery chemistryLithium Ion/Polymer
Programmable featuresCurrent, Timer
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Technical Details & Description

It targets portable consumer and industrial equipment where the host microcontroller manages the charging profile rather than relying on fixed resistor straps. The device charges a single cell (Number of Cells: 1) with a maximum charge current of 1.5A and supports a battery pack voltage up to 4.44V. The supply voltage range goes up to 9V, which covers standard 5V USB or 5V wall-adapter inputs with margin for cable drops. Fault protection includes over-temperature and over-voltage shutdown.

Design-in: supply rail and thermal budget

The 9V maximum supply (Voltage - Supply (Max): 9V) means this part works from a standard 5V USB VBUS or a 5V regulated rail, but a 12V input requires a pre-regulator. At 1.5A charge current the DSBGA package (30-DSBGA) relies on the PCB copper for heat spreading — the datasheet layout recommendation for the thermal vias under the package should be followed closely to keep junction temperature within limits. The I²C interface (Interface: I²C) allows the host to set the charge current and timer values on the fly, which is useful for charging different battery capacities in the same hardware design or for implementing a safety timeout. No external programming resistors are needed.

The part is sourced to order against an RFQ — no stock or price figures are published here, but a quote request will return real-time supply position.

Frequently asked questions

Does BQ24140YFFT support USB charging?

The 9V maximum supply covers the 5V USB VBUS voltage. The I²C interface allows the host to implement USB charging profiles (e.g., BC1.2 detection logic in firmware) and set the charge current accordingly. The device itself does not include USB detection hardware — that is handled by the system MCU.

Is BQ24140YFFT compatible with 3.7V Li-Po cells?

Yes. The maximum battery pack voltage is 4.44V, which covers the typical 4.2V full-charge voltage of a 3.7V nominal Li-Po cell. The I²C-programmable charge current and timer let you tailor the charging profile to the specific cell capacity.

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