LTC4065LXEDC#TRPBF

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LTC4065LXEDC#TRPBF

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IC BATT CHG LI-ION 1CELL 6DFN

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Thông số kỹ thuật

thuộc tính Giá trị
Package / Case Tape & Reel (TR)
Part Status Active
Battery Chemistry Lithium Ion
Number of Cells 1
Current - Charging Constant - Programmable
Charge Current - Max 250mA
Battery Pack Voltage 4.2V
Voltage - Supply (Max) 5.5V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Tổng quan

Description

The LTC4065LXEDC#TRPBF is a single‑cell Li‑ion/Li‑polymer battery charger IC from Linear Technology (now Analog Devices). It provides a complete CC/CV charging profile with minimal external parts. Key points:
- Programmable charge current via a resistor (ISET).
- Automatic preconditioning for deeply discharged cells, then constant-current charging, then constant-voltage regulation to about 4.2V.
- Automatic termination when charge current falls below a threshold; automatic recharge when input remains connected.
- Built‑in safety features: overcurrent protection, thermal regulation, and protection against reverse current.
- Designed for USB or other 5V‑like inputs; suitable for compact portable devices.
- The suffix LXEDC#TRPBF indicates the specific package and tape‑and‑reel RoHS packaging.
For exact electrical specs, pinout, and application circuits, refer to the LTC4065 datasheet.

Equivalent

Direct cross-reference for LTC4065LXEDC#TRPBF: there is no one‑to‑one equivalent. Functionally similar devices from other vendors include:
- Microchip MCP73831/MCP73832 (single‑cell Li‑ion chargers with resistor‑set current)
- TI BQ24040 / BQ24075 (USB/standalone Li‑ion chargers)
These offer similar constant‑current/constant‑voltage charging and safety features; verify pinout and regulation specifics for a drop‑in replacement.

Features

Here are the key features of LTC4065LXEDC#TRPBF:
- Standalone, single‑cell Li‑Ion/Li‑Pol charger with CC/CV charging
- Fixed 4.2V termination with automatic recharge
- Programmable charge current via external resistor
- Preconditioning for deeply discharged cells
- Battery temperature safety and protection features
- Thermal regulation with current foldback to protect battery and device
- Over‑current, short‑circuit, and reverse‑current protection
- Status indicator via a pin (CHRG/STAT) for charging/complete
- Low quiescent current in standby
- 8‑pin package; Pb‑free, Tape & Reel (TRPBF) shipping
Note: For exact electrical specs (currents, tolerances, input range), refer to the datasheet.

Pinout

- Pin count: 8 pins (8-lead package, e.g., MSOP/SOIC family).
- Function: Single-cell Li‑ion/Li‑polymer battery charger controller. Provides constant-current/constant-voltage charging from an input source with charge termination and basic status features (suitable for USB/wall adapter inputs).

Manufacturer

- Manufacturer: Linear Technology Corporation (LTC), now a part of Analog Devices, Inc. after the 2017 acquisition.
- Company type: Analog Devices is an American multinational semiconductor company that designs and manufactures analog, mixed-signal, and DSP integrated circuits.

Application

LTC4065LXEDC#TRPBF is a single‑cell Li‑ion/Li‑polymer linear charger with integrated safety and power‑path control. Typical applications include USB or DC adapter charging for portable electronics (handhelds, wearables, cameras, MP3 players), IoT and wireless sensors, handheld test instruments, and other one‑cell battery‑powered devices that must operate while charging. It supports regulated charge current, proper termination, automatic recharge, and minimal external parts, providing safe charging from USB or DC sources with power‑path to host the system during charging.

Package

DFN-10 (2×3 mm) package with an exposed pad (lead-free).

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