BQ2057CDGKR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
BQ2057CDGKR is a low dropout linear 1-cell Li-Ion charge controller with AutoComp technology from Texas Instruments. It supports 4.2V regulation voltage, 4.5V to 15V input range, and single-cell charging with adjustable threshold. Ideal for portable electronics, handheld devices, and battery-powered consumer applications. Available in MSOP-8 package with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- BQ2057CDGKR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.8300(MOQ 38)
- Temp Range
- -20.0°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Low Dropout Linear Charge Control with AutoComp technology for accurate 4.2V Li-Ion cell regulation
- Wide input voltage range of 4.5V to 15V supports diverse power adapter configurations
- Adjustable charge termination threshold enables flexible single-cell Li-Ion battery management
- Compact S-PDSO-G8 (MSOP-8) package optimized for space-constrained portable designs
- Single-channel architecture simplifies BOM and PCB layout for cost-effective battery charger solutions
Applications
The BQ2057CDGKR is widely used in portable consumer electronics such as smartphones, tablets, handheld GPS units, and Bluetooth headsets where precise single-cell Li-Ion battery charging is required. Its AutoComp technology and adjustable threshold make it suitable for industrial handheld instruments and medical portable devices that demand reliable charge control. The device also fits power bank and wearable applications where compact size, low dropout, and robust Li-Ion management are critical design requirements.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustable Threshold | YES |
| Analog IC - Other Type | LINEAR BATTERY CHARGER |
| Input Voltage-Max | 15V |
| Input Voltage-Min | 4.5V |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 4mA |
| Supply Voltage-Max (Vsup) | 15V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | OTHER |
| Terminal Finish | Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| ## BQ2057CDGKR Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for BQ2057CDGKR:
Frequently Asked Questions
What is the input voltage range of the BQ2057CDGKR?
The BQ2057CDGKR supports an input voltage range from 4.5V to 15V, making it compatible with a wide variety of DC power adapters and USB power sources commonly used in portable electronics applications.
What battery chemistry and cell count does the BQ2057CDGKR support?
The BQ2057CDGKR is designed specifically for single-cell (1-cell) Lithium-Ion (Li-Ion) batteries, regulating the charge voltage to 4.2V with AutoComp technology to ensure accurate and safe charging termination.
What package does the BQ2057CDGKR come in and what are its dimensions?
The BQ2057CDGKR is available in a S-PDSO-G8 package, which corresponds to the standard MSOP-8 (Mini Small Outline Package with 8 pins). This compact surface-mount package is ideal for space-constrained portable and handheld device designs.
What is the AutoComp feature in the BQ2057CDGKR?
AutoComp is Texas Instruments' proprietary compensation technology integrated into the BQ2057CDGKR that automatically adjusts the charge regulation loop for stable operation across varying load conditions, improving charge accuracy and system reliability without requiring external compensation components.
What are typical applications for the BQ2057CDGKR?
The BQ2057CDGKR is commonly used in portable consumer electronics including smartphones, tablets, Bluetooth headsets, handheld GPS units, wearables, power banks, and industrial handheld instruments that require reliable single-cell Li-Ion battery charge management.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 38+ | $5.3944 | $204.99 |
| 48+ | $5.2145 | $250.30 |
| 65+ | $4.6751 | $303.88 |
| 100+ | $2.5005 | $250.05 |
| 250+ | $2.3724 | $593.11 |
| 500+ | $1.8300 | $915.00 |
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