The BQ24040DSQT is a highly integrated linear battery charger designed for single-cell lithium-ion and lithium-polymer applications. It supports a maximum charge current of 1A and features programmable charge current and termination thresholds, allowing for flexibility in various applications. The device operates from a USB port or AC adapter and includes input overvoltage protection, thermal regulation, and short-circuit protection, ensuring safe operation under various conditions. This charger is suitable for space-constrained portable devices such as TWS headsets, smartwatches, and portable medical devices. It operates over a wide temperature range of -40¬8C to 85¬8C and comes in a compact 2mm x 2mm DFN-10 package. The BQ24040DSQT also includes a fixed 10-hour safety timer and status indication for charging and completion, making it a reliable choice for engineers looking to implement battery charging solutions in their designs.
1A Single-Input, Single Cell Li-Ion Battery Charger. Vovp=6.6V | Linear 10-SON -40 to 85
IC BATT CHG LI-ION 1CELL 10SON
IC BATT CHG LI-ION 1CELL 10SON
IC BATT CHG LI-ION 1CELL 10SON
Manufacturer: Texas Instruments
Win Source Part Number: 011894-BQ24040DSQT
Packaging: Reel - TR
Fault Protection: Over Temperature, Over Voltage, Short Circuit
Battery Chemistry: Lithium-Ion/Polymer
Number of Cells: 1
Current - Charging: Constant - Programmable
Programmable Features: Current
Charge Current - Max: 1A
Battery Pack Voltage: 4.2V
Family Name: BQ24040
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 10-SON (2x2)
Maximum Supply Voltage: 28V
Alternative Parts (Cross-Reference): LTC4089EDJC#TR; LTC4089EDJC-5#TR; LTC4007EUFD-1; LTC4007EUFD-1#TR;
Introduction Date: July 01, 2008
ECCN: EAR99
Country of Origin: China
Estimated EOL Date: 2031
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 51 pct.
Supply and Demand Status: Limited
Application Field: Used in Consumer Electronics, Portable Devices, Audio
IC BATT CHG LI-ION 1CELL 10SON
Charger IC Lithium Ion/Polymer 10-WSON (2x2)
IC BATT CHG LI-ION 1CELL 10SON
BATT CHARGER, LI-ION/POL, 800MA, SON-10; Battery Type:Li-Ion, Li-Pol; Input Voltage:6.45V; Battery Charge Voltage:4.2V; Charge Current Max:800mA; Battery IC Case Style:SON; No. of Pins:10Pins; No. of Series Cells:1; Operating RoHS Compliant: Yes
| Texas Instruments | DigiKey | Win Source Electronics | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | Lingto Electronic Limited | Newark, An Avnet Company | |
|---|---|---|---|---|---|---|---|
| Product Category | Battery Charger ICs | Battery Charger ICs | Battery Charger ICs | Battery Charger ICs | Battery Charger ICs | Battery Charger ICs | Battery Charger ICs |
| Product Number | BQ24040DSQT | 296-25136-6-ND | 011894-BQ24040DSQT | BQ24040DSQT | BQ24040DSQT | BQ24040DSQT | 28AH1939 |
| Product Name | BQ24040 1A Single-Input, Single Cell Li-Ion Battery Charger. Vovp=6.6V | Linear | PMIC - Battery Chargers | PMIC - PMIC - Battery Chargers - BQ24040DSQT | Integrated Circuits (ICs) - Power Management (PMIC) - Battery Chargers | Battery Chargers | PMIC - Battery Chargers | Batt Charger, Li-Ion/pol, 800Ma, Son-10; Battery Type Texas Instruments |
| Charger Type | Linear | ||||||
| Cell Type | Li-Ion; Li-Ion/Li-Polymer | Li-Ion; Lithium Ion/Polymer | Li-Ion; Lithium Ion/Polymer | Li-Ion; Li-Ion, Li-Pol | |||
| Features | Lead-Free | Over Voltage Protection; Lead-Free | Over Voltage Protection | Over Voltage Protection | Over Voltage Protection | ||
| Package Type | SON | 10-WFDFN Exposed Pad | 10-SON (2x2) | 10-WFDFN Exposed Pad | SON | ||
| Cells | 1 | 1 | 1 | 1 |
