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25 pcs
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25 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The LTC4065EDC#TRMPBF from Analog Devices is a complete constant-current/constant-voltage linear charger specifically designed for single-cell lithium-ion batteries. Its compact 2mm x 2mm DFN package and minimal external component requirements make it ideal for portable electronics such as wireless PDAs and cellular phones.
This IC offers programmable charge current up to 750mA with 5% accuracy and a preset 4.2V float voltage with 0.6% accuracy. It operates from a 3.75V to 5.5V supply and features constant-current/constant-voltage operation with thermal feedback to prevent overheating. The charger includes C/10 charge current detection, timer termination, automatic recharge, and soft-start to limit inrush current.
Designed to work within USB power specifications, the LTC4065EDC#TRMPBF automatically enters a low current state when the input supply is removed, reducing battery drain to less than 1µA. In shutdown mode, supply current is reduced to less than 20µA. The device operates over an ambient temperature range of -40°C to 85°C.
Packaged in a 6-lead, 2mm x 2mm DFN package with an exposed pad, this surface-mount component is suitable for space-constrained designs. It requires no external MOSFET, sense resistor, or blocking diode due to its internal MOSFET architecture.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.29 | $1.29 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The LTC4065EDC#TRMPBF operates with a supply voltage range of 3.75V minimum to 5.5V maximum.
The LTC4065EDC#TRMPBF is available in a 6-DFN (2x2) or 6-WFDFN Exposed Pad package.
The LTC4065EDC#TRMPBF has an operating temperature range of -40°C to 85°C.
The typical quiescent supply current is 120µA, measured at V BAT = 4.5V (forcing IBAT and IPROG = 0).
The LTC4065EDC#TRMPBF has a programmable charge current of 750mA.
The LTC4065EDC#TRMPBF supports Lithium Ion battery chemistry.
The preset battery pack voltage is 4.2V.