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HT4638 - Single chip LED flashlight controller

Download the HT4638 datasheet PDF. This datasheet also covers the HT4633 variant, as both devices belong to the same single chip led flashlight controller family and are provided as variant models within a single manufacturer datasheet.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (HT4633-HOTCHIP.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number HT4638
Manufacturer HOTCHIP
File Size 1.12 MB
Description Single chip LED flashlight controller
Datasheet download datasheet HT4638 Datasheet

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Other Datasheets by HOTCHIP

Part Number Description
HT4633 Single chip LED flashlight controller
HT4635 Single chip LED flashlight controller
HT4636 Single chip LED flashlight controller
HT4054 Li-ion Battery Charger
HT4900 HT4900

Full PDF Text Transcription

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HT463X LED 0.3A，； HT463x LED ， ◆ //， 4.22V， ， 0V ； ，，LED ， ◆ ，120 ，，LED ，， ， 0； ，， ◆ ，； LED 。 ◆ ， HT463x ， LED 。HT463x 5V ， ，。 IP ， 。 ， ，。 H ◆ LED ； C ◆ 1A ， ； ◆ ◆ ◆ 1.8A ， MOS LED ◆ ◆ ，LED ，，， ， ◆ ，， ◆ 4KV ESD ◆ LED ///。 HOT www.hotchip.com.cn 1/8 Ver1.0 HT463X LED HOTCHIP HT4638 1.8A 1.8A LED www.hotchip.com.cn 2/8 Ver1.0 HT463X LED IP HT4636 HT4638 1 1 2 2 3 H 4 4 5 5 6 6 7 7 C 8 8 3 T HT4633 SOP8 HT4635 SOP8 O HT4636 SOP8 HHT4638 SOP8 LED1 VDD KEY 5V BAT FUN/CODE GND LED2 PROG LED USB 5V / / ，LED 1.8A MOS 1.8A ， 0.3A ，LED 1.8A MOS 1.8A ， 0.5A ，LED 1.8A MOS 1.8A ， 1.0A ， 1.8A MOS 1.8A ， 0.3-1A www.hotchip.com.cn 3/8 Ver1.0 HT463X LED 1.
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