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TPS56302 Datasheet DUAL-OUTPUT LOW-INPUT-VOLTAGE DSP POWER SUPPLY CONTROLLER

Manufacturer: Texas Instruments

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Datasheet Details

Part number TPS56302
Manufacturer Texas Instruments
File Size 770.48 KB
Description DUAL-OUTPUT LOW-INPUT-VOLTAGE DSP POWER SUPPLY CONTROLLER
Datasheet download datasheet TPS56302 Datasheet

General Description

NOTE: See Table 1 for actual VID codes.

The high-performance TPS56302 synchronous-buck regulator provides two supply voltages to power the core and I/O of digital signal processors.

The TPS56302 is identical to the TPS56300 except that the reference voltages of the LDO and switching regulator have been reversed.

Overview

TPS56302 DUAL-OUTPUT LOW-INPUT-VOLTAGE DSP POWER SUPPLY CONTROLLER WITH SEQUENCING SLVS289 – MARCH 2000 D 2.8 V – 5.5 V Input Voltage Range D Programmable Dual Output Controller PWP PowerPAD™ PACKAGE (TOP VIEW) Supports Popular DSP, FPGA and VID0 Microcontroller Core and I/O Voltages VID1 – Switching Regulator Controls I/O Voltage SLOWST – Low Dropout Controller Regulates Core VHYST Voltage VREFB D Adjustable Slow-Start for Simultaneous VSEN–RR 1 28 2 27 3 26 4 25 5 24 6 Thermal 23 DROOP OCP IOUT PWRGD VSEN–LDO NGATE–LDO Powerup of Both Outputs ANAGND D Power Good Output Monitors Both Outputs BIAS D Fast Ripple Regulator Reduces Bulk VLDODRV CPC1 Capacitance for Lower System Costs D ±1.5% Reference Voltage Tolerance VCC CPC2 7 Pad 22 8 21 9 20 10 19 11 18 12 17 INHIBIT IOUTLO HISENSE LOSENSE/LOHIB HIGHDR BOOT D Efficiencies Greater Than 90% VDRV D Overvoltage, Undervoltage, and Adjustable DRVGND 13 14 16 BOOTLO 15 LDWDR Overcurrent Protection D Drives Logic Level N-Channel MOSFETs AVAILABLE VID CODE RANGES Through Entire Input Voltage Range OUTPUTS TPS56302 TPS56300 D Evaluation Module TPS56302EVM–163 VOUT–LDO 1.3 V TO 2.5 V 1.3 V TO 3.3 V Available VOUT–Switcher 1.3 V TO 3.3 V 1.3 V TO 2.

Key Features

  • to aide in controlling power sequencing. A tri-level voltage identification definition (VID) sets both regulated voltages to any of 9 preset voltage pairs from 1.3 V to 3.3 V. Other voltages are possible by implementing an external voltage divider. Strong MOSFET drivers, with a typical peak current rating of 2-A sink and source are included on chip, which allows paralleling MOSFETs to be driven and allowing higher current to be controlled. The high-side driver features a floating bootstrap drive.

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