STP16DPP05MTR Integrated Circuits (ICs)

Voltage - Output:	20V
Base Part Number:	STP16DPP05
Supplier Device Package:	24-SO
Package / Case:	24-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Applications:	--
Dimming:	--
Frequency:	30MHz
Current - Output / Channel:	40mA
Series:	--
Voltage - Supply (Max):	5.5V
Voltage - Supply (Min):	3V
Number of Outputs:	16
Internal Switch(s):	Yes
Topology:	Shift Register
Type:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction of STP16DPP05MTR

STP16DPP05MTR is a type of Power Management Integrated Circuit (PMIC) specifically designed for LED drivers. It was launched in 2011 by STMicroelectronics and has been used in many lighting applications ever since. The part is capable of driving up to 8 different channels, each with up to 16 LEDs. This makes it ideal for a wide variety of applications, such as panel backlighting, aircraft cabins, billboards, and automotive lighting.

Features of STP16DPP05MTR

STP16DPP05MTR has many important features that make it an excellent LED driver. It is capable of achieving a wide range of brightness levels due to its adjustable current control feature. The integrated voltage controller provides accurate and stable control over the LED current and ensure that the LEDs remain within their safe operating limits. The chip also features a thermal monitoring system which prevents the chip from overheating. Furthermore, it has an integrated device-level protection against over-current and transient voltage, protecting LEDs from damaging over-voltage and over-current surges.

Application Field

The STP16DPP05MTR is a versatile PMIC which can be used in a wide variety of LED driver applications. Primarily, it is used for panel backlighting in LCDs,keyboards, and other electronic devices. However, it is also used in commercial applications such as aircraft cabins, billboards, and automotive inner/outer lighting.

Working Principle

The STP16DPP05MTR is an inductor-based LED driver. It uses an inductor to store energy which is then discharged as current in a controlled way to the LEDs connected to it. The voltage rating of the inductor dictates the maximum input voltage (VIN) to the driver. When the VIN is higher than the rating of the inductor, the device will shut down to prevent any damage.The STP16DPP05MTR consists of two power transistors—one for ground-referenced LEDs, and one for VIN-referenced LEDs. A dedicated circuit controls the transistors, switching them on and off to modulate the current that flows through the LEDs. The current is adjusted using the adjustable current control feature. This adjustable current can then be used to control the brightness of the LEDs.

Conclusion

In conclusion, the STP16DPP05MTR is a versatile PMIC that can be used for a range of LED driver applications. It features adjustable current control and thermal monitoring systems, allowing it to provide accurate and stable control of LED current while protecting it from potential damage. The device is designed to work with both ground-referenced and VIN-referenced LEDs by using two power transistors to modulate the current that flows through the LEDs. As a result, the STP16DPP05MTR is an ideal LED driver for a variety of applications.

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