| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
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2,559 pcs
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2559 pcs | On Request | 1 | On Request | On Request | 18+ | On Request | On Request | |
|
4 pcs
|
4 pcs | On Request | 1 | On Request | On Request | 18+ | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Lead Style | |
| SVHC Present | |
| Tape & Reel |
The TP4057-42-SOT26-R is a linear control IC designed for single-cell lithium battery charging applications. It operates with input voltages from -0.3V to 9V and features a programmable charging current set via an external resistor, with a nominal charge voltage of 4.2V. The IC includes battery positive and negative pole reverse connection protection and utilizes an internal PMOSFET architecture, eliminating the need for external detection resistors and isolation diodes.
This battery charger IC is suitable for use with USB power supplies and adapter power supplies. It incorporates thermal feedback to automatically adjust the charging current. The package type is SOT23-6, and it is supplied on a reel with a standard package quantity of 3000 pieces.
Key electrical specifications include a BAT pin current of 500mA and a PROG pin current of 800µA. The lead temperature for soldering is rated at 260°C for 10 seconds. The device is certified as ROHS compliant.
The input power supply voltage range is -0.3V to 9V.
The charge voltage is fixed at 4.2V.
Yes, the charging current is programmable via an external resistor.
The typical BAT pin current is 500mA, which represents the charging current.
It is available in a SOT23-6 package.
The lead temperature is 260°C for a solder time of 10 seconds.