TPS60255 Datasheet High Efficiency Charge Pump

Manufacturer: Texas Instruments

Overview: TPS60255 www.ti.com SLVS825 – MARCH 2008 HIGH EFFICIENCY CHARGE PUMP FOR 7 WLEDs DRIVER WITH 1 WIRE.

Datasheet Details

Part number	TPS60255
Manufacturer	Texas Instruments
File Size	1.04 MB
Description	HIGH EFFICIENCY CHARGE PUMP
Datasheet	TPS60255-etcTI.pdf

General Description

The TPS60255 is a high-efficiency, constant frequency charge pump DC/DC converter that uses 1× and 1.5× conversion to maximize efficiency for the input voltage range.

By using adaptive 1×/1.5× charge-pump modes and very low dropout current regulators, the TPS60255 achieves high efficiency for the entire one-cell lithium battery range.

The protection

Key Features

1.
2 2.7 V to 6.0 V Input Voltage Range.
1× and 1.5× Charge Pump.
Auto Switching Between 1× and 1.5× Modes.
750 kHz Charge Pump Frequency.
Seven Individually-regulated WLED Current Sinks.
Single- Wire Interface for Dimming and ON/OFF Control.
25 mA max LED Current for Six Current Sinks.
One 80 mA Current Sink.
Open WLED Detection.
Built-in Soft Start and Current Limit.
16-pin, 3 mm × 3 mm QFN Packag.

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