TPS65400RGZR - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TPS65400RGZR
Manufacturer

TI
ChipWorker Part#

CW49576000
Category

Switching Controller
Package

VQFN-48
Description

4.5V to 18V input, 4A/4A/2A/2A synchronous quad converter with PMBus/I2C Interface 48-VQFN -40℃ to 85℃
Documentation

Datasheet

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TPS65400RGZR Specifications

Attribute	Attribute Value

Part Number	TPS65400RGZR
Manufacturer	TI
ChipWorker Part#	CW49576000
Category	Switching Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	48 Pin
Case/Package	VQFN-48
Number of Outputs	4 Output
Output Voltage	0.6V ~ 16V
Output Current	4A, 2A
Quiescent Current	8.00 mA
Number of Regulated Outputs	4 Output
Switching Frequency	275kHz ~ 2.2MHz
Topology	Buck
Input Voltage (Max)	18 V
Input Voltage (Min)	4.5 V
Output Voltage (Max)	16.2 V
Output Voltage (Min)	0.6 V
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	4500 mW
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Size-Length	7 mm
Size-Width	7 mm
Size-Height	1 mm
Operating Temperature	-40℃ ~ 125℃ (TJ)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

The TPS65400 is an integrated PMU optimized for applications requiring small form factor and high power conversion efficiency, enabling small space-constrained equipment with high ambient operating temperature without cooling. It provides high-power efficiency at a system level by enabling a single stage conversion from an intermediate distribution bus with an optimized combination of regulators.
TPS65400 implements a PMBus-I2C-compatible digital interface. It helps Core Chip optimize system performance by runtime changing regulated voltage, power sequence, phase interleaving, operating frequency, read back operating status, and so forth.
The TPS65400 consists of four high-current buck switching regulators (SW1, SW2, SW3, and SW4) with integrated FETs. The switching power supplies are intended for powering high-current digital circuits such as the processor, FPGA, ASIC, memory, and digital I/Os. SW1 and SW2 support 4 A each, and SW3 and SW4 support 2 A each. Each regulator’s switching frequency is independently adjustable up to 2.2 MHz.
Current limit programmability on each switcher enables optimization of inductor ratings for a particular application configuration not requiring the maximum current capability.
The TPS65400 can be powered from a single-input voltage rail between 4.5 and 18 V, making it suitable for applications running off a 5- or 12-V intermediate power distribution bus.
Sequencing requirements can be met using the individual enable terminals or by programming the sequence through the I2C bus into the onboard EEPROM. Output voltages can be set through external resistor networks and VREF can be programmed from 0.6 to 1.87 V in 10-mV steps. All control and status info can be accessed through a PMBus-compatible I2C bus.
The TPS65400 provides a high level of flexibility for monitoring and control through the I2C bus while providing the option of programmability through the use of external components and voltage levels for systems not using I2C.

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