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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The TPS61500PWP is a monolithic Switching Regulator with integrated 3A/40V power switch. It is an ideal driver for high brightness 1 or 3W LED. The device has a wide input voltage range to support application with input voltage from multi-cell batteries or regulated 5/12V power rails. The LED current is set with an external sensor resistor R3 and the feedback voltage that is regulated to 200mV by current mode PWM (pulse width modulation) control loop, as shown in the typical application. The device supports analogue and pure PWM dimming methods for LED brightness control. Connecting a capacitor to the DIMC pin configures the device to be used for analogue dimming and the LED current varies proportional to the duty cycle of an external PWM signal. Floating the DIMC pin configures the IC for pure PWM dimming with the average LED current being the PWM signals duty cycle times a set LED current.
Programmable soft-start function to limit inrush current during start-up
Pulse-by-pulse over current limit and thermal shutdown
Up to 93% high efficiency power conversion
User defined soft-start into full load
Programmable over-voltage protection
Analogue and pure PWM brightness dimming
1.5µA Typical shutdown current
Green product and no Sb/Br

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TPS61500PWP Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	14 Pin
Case/Package	HTSSOP-14
Frequency	200kHz ~ 2.2MHz
Number of Outputs	1 Output
Input Voltage (DC)	2.90V ~ 18.0V
Output Voltage	2.9V ~ 38V
Output Current	3 A
Number of Positions	14 Position
Power Dissipation	2250 W
Quiescent Current	3.00 mA
Number of Regulated Outputs	1 Output
Switching Frequency	2.2 MHz
Topology	Boost
Input Voltage (Max)	18 V
Input Voltage (Min)	2.9 V
Output Voltage (Max)	38 V
Output Current (Max)	3 A
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	2250 mW
Supply Voltage	2.9V ~ 18V
Input Voltage	2.9V ~ 18V
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Size-Length	5 mm
Size-Width	4.4 mm
Size-Height	1.15 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

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