The TPS51200DRCR is a high-efficiency dual-channel synchronous buck converter produced by Texas Instruments (TI), which is often used in applications that provide stable power, especially in systems that require low power consumption and high-efficiency power management. This chip is mainly used in power management, laptops, communication equipment, embedded systems and industrial equipment.

Main features of TPS51200DRCR

Input voltage range: Supports a wide input voltage range of 4.5V to 17V, which can adapt to a variety of power supply voltages.

Output voltage range: The adjustable voltage range of each output channel is 0.8V to 5.5V, which supports powering a variety of devices with low voltage requirements.

Output current: The maximum output current of each output channel is 6A, which can meet the needs of higher current loads.

Synchronous rectification: The use of synchronous rectification technology improves conversion efficiency and reduces power loss, especially when the load is heavy.

High efficiency: With a conversion efficiency of up to 95%, it helps reduce heat and improve the overall performance of the system.

Integrated functions: Integrates multiple functions, including output voltage regulation, overvoltage protection, overcurrent protection, overtemperature protection, etc., which simplifies the design and increases the reliability of the system.

Frequency regulation: With fixed frequency mode, different switching frequencies can be selected to optimize working efficiency.

Small package: QFN-28 package is adopted, which is suitable for space-constrained applications.

Main applications of TPS51200DRCR

Main power supply for laptops and other mobile devices.

Power supply for FPGA, ASIC, DSP and other high-performance integrated circuits.

Point-to-point power supply or load point power supply in communication systems.

Industrial automation and other power supply systems requiring high reliability.

TPS51200DRCR Parameters

TPS51200DRCR Similar Comparison

TPS51200DRCR vs LM78L12ACMX/NOPB vs NCP51200MNTXG vs LM317LBDR2G vs NCP51400MNTXG Comparison

Parameter	TPS51200DRCR	LM78L12ACMX/NOPB	NCP51200MNTXG	LM317LBDR2G	NCP51400MNTXG
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Manufacturer	Texas Instruments (TI)	Texas Instruments (TI)	ON Semiconductor (ON)	ON Semiconductor (ON)	ON Semiconductor (ON)
Type	Synchronous Buck Converter	Linear Regulator	Synchronous Buck Converter	Adjustable Linear Regulator	Synchronous Buck Converter
Input Voltage Range	4.5V to 17V	14V to 40V	4.5V to 17V	3V to 40V	4.5V to 17V
Output Voltage Range	0.8V to 5.5V	12V (Fixed)	0.8V to 5.5V	1.25V to 37V (Adjustable)	0.8V to 5.5V
Output Current	6A per channel	100mA	6A per channel	1.5A	6A per channel
Efficiency	Up to 95%	Low (Linear regulator, no conversion efficiency)	Up to 95%	Low (Linear regulator, no conversion efficiency)	Up to 95%
Package Type	QFN-28	TO-220-3	QFN-28	TO-92-3	QFN-28
Switching Frequency	Adjustable (300kHz to 1.5MHz)	Not Applicable (Linear Regulator)	Adjustable (300kHz to 1.5MHz)	Not Applicable (Linear Regulator)	Adjustable (300kHz to 1.5MHz)
Overcurrent Protection	Yes	No	Yes	No	Yes
Overvoltage Protection	Yes	No	Yes	No	Yes
Overtemperature Protection	Yes	No	Yes	No	Yes
Operating Temperature Range	-40°C to +125°C	0°C to +125°C	-40°C to +125°C	-40°C to +125°C	-40°C to +125°C
Tolerance	±10%	±2%	±10%	±1.5%	±10%
Cost	Higher	Lower	Higher	Lower	Higher

If you need high efficiency, high output current and reliable power management, you can choose TPS51200DRCR, NCP51200MNTXG or NCP51400MNTXG, these synchronous buck converters provide up to 6A output current for applications with higher power requirements.

If the application has lower power requirements and requires fixed voltage or adjustable voltage, you can choose LM78L12ACMX/NOPB or LM317LBDR2G, these two linear regulators are suitable for simple power needs, but with lower efficiency.

TPS51200DRCR PDF Datasheet

TPS51200DRCR Datasheet

TPS51200DRCR FAQs

1. What output current can the TPS51200DRCR provide?

Each output channel of the TPS51200DRCR supports a maximum output current of 6A, which is suitable for applications that require a larger output current.

2. What input voltage range does the TPS51200DRCR support?

The input voltage range is 4.5V to 17V, which is suitable for a variety of power supply voltage conditions.

3. Does the TPS51200DRCR support dual-channel output?

Yes, the TPS51200DRCR supports dual-channel synchronous buck, and each channel independently controls the output voltage, which is suitable for providing multiple voltage rails.

4. What protection functions does the TPS51200DRCR support?

The chip has built-in protection mechanisms such as overcurrent protection, overtemperature protection, overvoltage protection, and undervoltage lockout (UVLO) to ensure safe operation of the system.

5. Is the output voltage of the TPS51200DRCR adjustable?

Yes, the output voltage is adjustable through external resistors. The output voltage range of each channel is 0.8V to 5.5V.

6. Does the TPS51200DRCR support synchronous rectification?

Yes, the TPS51200DRCR uses synchronous rectification technology to improve conversion efficiency, especially under heavy loads.

7. Is the switching frequency of the TPS51200DRCR adjustable?

Yes, the switching frequency of the TPS51200DRCR is adjustable, with a typical range of 300kHz to 1.5MHz, which can optimize efficiency and noise according to specific applications.

8. Is the TPS51200DRCR suitable for high temperature environments?

Yes, the TPS51200DRCR supports a wide operating temperature range of -40°C to +125°C, suitable for applications in high temperature environments such as industrial and automotive.

9. Does the TPS51200DRCR require external inductors and capacitors?

Yes, the TPS51200DRCR requires external inductors and capacitors to complete filtering and energy storage. Generally, the appropriate inductor (such as 1µH to 10µH) and capacitor (such as 10µF to 47µF) need to be selected to optimize performance.

10. Can multiple TPS51200DRCR devices be connected in parallel to increase output power?

In theory, the output power can be increased by connecting multiple TPS51200DRCRs in parallel, but it is necessary to ensure that the load of each power path is balanced and the current sharing is appropriate according to the specific design requirements.

11. Does the TPS51200DRCR support remote enable control?

Yes, the TPS51200DRCR provides enable pins (EN1, EN2) that can remotely control the opening or closing of each output channel.

12. Is the TPS51200DRCR suitable for automotive applications?

Yes, the TPS51200DRCR is suitable for automotive applications, supports a wide input voltage range (4.5V to 17V), and has robust protection features to cope with fluctuations and disturbances in automotive power supplies.