BQ24381DSGRG4 Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock
The BQ24381DSGRG4 is a single-cell Li-Ion battery charger with overvoltage protection, supporting up to 1700mA charge current and a 5V input supply. It includes a power-on reset generator with a 7.1V reset threshold voltage for system protection in a compact 8-pin WSON package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- BQ24381DSGRG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of BQ24381DSGRG4?
- Integrated overvoltage detector with 7.1V reset threshold voltage and power-on reset generator for robust system protection
- Up to 1700mA charge current capability for fast single-cell Li-Ion battery charging from a 5V supply
- Compact 8-pin WSON (2x2mm) no-lead surface-mount package minimizing PCB footprint in portable device designs
What is BQ24381DSGRG4 used for?
The BQ24381DSGRG4 is designed for portable consumer electronics such as wireless earbuds, smartwatches, and handheld devices that require efficient single-cell Li-Ion charging with built-in overvoltage protection. It suits battery management applications in IoT nodes and wearables where space is limited and system safety is critical. The integrated power-on reset and overvoltage detection simplify the protection circuit, reducing external component count.
What are the specifications of BQ24381DSGRG4?
| YTEOL | 0 |
| Additional Feature | RESET THRESHOLD VOLTAGE IS 7.1V; POWER ON RESET GENERATOR |
| Adjustable Threshold | NO |
| Analog IC - Other Type | OVERVOLTAGE DETECTOR |
| JESD-30 Code | S-PDSO-N8 |
| JESD-609 Code | e4 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.08,20 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.3mA |
| Supply Voltage-Max (Vsup) | 30V |
| Supply Voltage-Min (Vsup) | 3.3V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | NICKEL PALLADIUM GOLD SILVER |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Threshold Voltage-Nom | +5V |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the BQ24381DSGRG4 datasheet?
BQ24381DSGRG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for BQ24381DSGRG4?
Compatible alternatives and drop-in replacements for BQ24381DSGRG4:
Texas Instruments Fixed, 1 Channel, +5V, PDSO8
Frequently Asked Questions
What is the maximum charge current of the BQ24381DSGRG4?
The BQ24381DSGRG4 supports a maximum charge current of 1700mA for single-cell Li-Ion batteries, enabling relatively fast charging in portable applications powered from a 5V source such as USB or a wall adapter.
What protection features does the BQ24381DSGRG4 include?
The BQ24381DSGRG4 includes an integrated overvoltage detector and a power-on reset generator with a reset threshold voltage of 7.1V. These features protect the battery and system from overvoltage events during charging and ensure a defined startup sequence.
What package does the BQ24381DSGRG4 use?
The BQ24381DSGRG4 comes in an 8-pin WSON (JESD-30 code S-PDSO-N8) no-lead surface-mount package with an exposed pad for thermal dissipation. The compact form factor is well suited to space-constrained portable product designs.
Is the BQ24381DSGRG4 RoHS compliant?
Yes, the BQ24381DSGRG4 carries JESD-609 code e4, indicating it is RoHS-compliant with a lead-free construction. The G4 suffix in the part number also denotes compliance with green/lead-free requirements for international market distribution.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit