TPS65400RGZR

1 Features

• Efficiency up to 95% for Each Switching Regulator

• Switching Regulator Specifications:

– Input Voltage Range: 4.5 to 18 V

– Vout Range: 0.6 V-90%Vin

– SW1, SW2 Iout: 4-A Max

– SW3, SW4 Iout: 2-A Max

• Pre-Bias Startup Algorithm Minimizes Voltage Dip During Startup

• Internal Undervoltage Lockout (UVLO), Overcurrent Protection (OCP), Overvoltage Protection (OVP), and Overtemperature Protection (OTP)

• AECQ-100 Grade 1 Option

• Thermally-Enhanced 7-mm × 7-mm 48-Pin, 0.5-mm Pitch VQFN Package

• Pin Accessible Features:

– Adjustable VOUT With External Feedback Resistors

– Sequencing Control Through Precision Enable Pins for Each Switcher

– Resistor Adjustable PWM Switching Frequency from 275 kHz to 2.2 MHz

– Clock Sync Input and Clock Output

– Soft-Start Delay Through External Capacitor

– Current Sharing Between SW1 and SW2 and Between SW3 and SW4 Allows Support of Higher Current Needs if Required

• PMBus Runtime Control and Status

– Runtime Voltage Positioning Through Adjustment of VREF

– Enable and Disable of Each Switcher

– Fault and Status Monitoring

• User-Configurable PMBus / I2C Options, Saved in EEPROM

– Power Supply Turn-On and Turn-Off Sequencing

– Sequencing can be Based on Fixed Time Delays or PGOOD Dependence

– Initial Voltage Positioning Through VREF Configuration

– PWM Frequency Adjustment for Each Switcher

– Individual PWM Phase Alignment for Each Switcher to Minimize Ripple and Capacitor Size

– Adjustable Current Limit on Each Regulator Enables Size and Cost Optimization of Inductors

– Soft-Start Time

2 Applications

• Small Cellular Base Stations (BTS) (for Example: Picocells and Microcells); Macro BTS (Using Multiple PMUs)

• Power over Ethernet (PoE) Powered Communications Infrastructure Equipment

• Automotive Infotainment and Telematics

• Powering DSP and MCUs

• Industrial and Factory Automation

• Systems Requiring Small Form Factor, High-Efficiency, High-Ambient Operating Temperature, and Flexible Power Management

3 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.

Request a quote TPS65400RGZR at censtry.com. All items are new and original with 365 days warranty! The excellent quality and guaranteed services of TPS65400RGZR in stock for sale, check stock quantity and pricing, view product specifications, and order contact us：sales@censtry.com.
The price and lead time for TPS65400RGZR depending on the quantity required, please send your request to us, our sales team will provide you price and delivery within 24 hours, we sincerely look forward to cooperating with you.