Dual-Channel WLED Driver for Smart Phone,SGM3743 Replace TPS61163.
FEATURES

3V to 18V Input Voltage Range

Integrated 1.5A/40V MOSFET

1.2MHz Switching Frequency

Optimized Rise Time and Fall Time to Control

  EMI for SW Pin

Dual Current Sinks of up to 30mA Current Each

1% Typical Current Matching and Accuracy

38.5V OVP, 1.2MHz Frequency

Adaptive Boost Output to WLED Voltages

 Very Low Voltage Headroom Control (90mV)

Flexible Digital and PWM Brightness Control

One Wire Control Interface

PWM Dimming Control Interface

Up to 9-Bit Dimming Resolution

Up to 90% Efficiency

Built-In Soft-Start Function

Over-Voltage Protection

Built-In WLED Open/Short Protection

Dimming Stable in More than 1:500 PWM Range

PFM Mode at Light Load

Thermal Shutdown

Support 4.7μH Inductor Application

-40℃ to +85℃ Operating Temperature Range

Available in Green WLCSP-1.32×1.32-9B Package

PIN CONFIGUTION
优势替代
TPS61163 TPS61163.pdf

No.12977

FEATURES

? 2.7-V to 6.5-V Input Voltage

? Integrated 1.5-A, 40-V MOSFET

? 1.2-MHz Switching Frequency

? Dual Current Sinks of up to 30 mA Current Each

? 1% Typical Current Matching and Accuracy

? 37.5-V Overvoltage Protection (OVP) Threshold

? Adaptive Boost Output to WLED Voltages

? Very Low Voltage Headroom Control (90 mV)

? Flexible Digital and PWM Brightness Control

? One-Wire Control Interface (EasyScale?)

? PWM Dimming Control Interface

? Up to 100:1 PWM Dimming Ratio

? Up to 10-bit Dimming Resolution

? Up to 90% Efficiency

? Overvoltage Protection

? Built-in Soft Start

? Built-in WLED Open and Short Protection

? Thermal Shutdown

? Supports 4.7-μH Inductor Application






PIN CONFIGUTION
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