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LTH7R - Charger management IC

General Description

6.

Key Features

  • and has an indication pin to indicate the charging termination status and input voltage status. Second, characteristics ÿ Programmable charge current up to 500mAÿ No external MOSFET, sense resistor, or reverse diode requiredÿ Constant current/constant voltage mode operation with thermal protectionÿ Charges lithium batteries via USB portÿ 1% accurate preset charge voltageÿ 20uA current in standby modeÿ 2.9V trickle charge voltageÿ Soft start limits inrush currentÿ Available in SOT23-5 package.

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Datasheet Details

Part number LTH7R
Manufacturer FINE MADE ELECTRONICS
File Size 483.58 KB
Description Charger management IC
Datasheet download datasheet LTH7R Datasheet

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Full PDF Text Transcription (Reference)

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Machine Translated by Google Shenzhen Fuman Electronics Group Co., Ltd. SHEN ZHEN FINE MADE ELECTRONICS GROUP CO., LTD. IC LTH7R. (File No.: S&CIC1679) Charger management 1. Overview LTH7R. is a constant current/constant voltage charger chip, mainly used for charging single-cell lithium batteries. No external detection resistor is required, and its internal structure is MOSFET, so no external reverse diode is required. LTH7R. can automatically adjust the charging current to limit the chip temperature under high power and high ambient temperature. Its charging voltage is fixed at 4.2V, and the charging current can be adjusted by an external resistor. When the floating charge voltage is reached and the charging current drops to 1/10 of the setting circuit, LTH7R.