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Product details

Parameters

Regulated outputs (#) 6 Vin (Min) (V) 2.5 Vin (Max) (V) 6 Iout (Max) (A) 1.2 Step-down DC/DC controller 0 Step-down DC/DC converter 3 Step-up DC/DC controller 0 Step-up DC/DC converter 0 LDO 3 Iq (Typ) (mA) 0.085 Features Comm Control, Power Good, Power Sequencing Operating temperature range (C) -40 to 85 Rating Catalog Processor name PXA270 Processor supplier Marvell Shutdown current (Typ) (uA) 23 Configurability Hardware configurable, Software configurable open-in-new Find other Multi-channel ICs (PMIC)

Package | Pins | Size

VQFN (RHA) 40 36 mm² 6 x 6 VQFN (RHA) 40 36 mm² 6.0 x 6.0 open-in-new Find other Multi-channel ICs (PMIC)

Features

  • 1.2-A, 97% Efficient Step-Down Converter for
    System Voltage (VDCDC1)
  • 1-A, Up to 95% Efficient Step-Down Converter for
    Memory Voltage (VDCDC2)
  • 800-mA, 90% Efficient Step-Down Converter for
    Processor Core (VDCDC3)
  • 20-mA LDO and Switch for Real-Time Clock
    (VRTC)
  • 2 × 200-mA LDO for SRAM and PLL
  • Dynamic Voltage Management for Processor Core
  • Externally Adjustable Reset Delay Time
  • Battery Backup Functionality
  • Separate Enable Pins for Inductive Converters
  • I2C-Compatible Serial Interface
  • 85-µA Quiescent Current
  • Low Ripple PFM Mode
  • Thermal Shutdown Protection
  • Push-Button I/O
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Description

The TPS65020 device is an integrated power management IC for applications powered by one Li-Ion or Li-Polymer cell, and which requires multiple power rails.

The TPS65020 device provides three highly efficient, step-down converters targeted at providing the core voltage, peripheral, I/O, and memory rails in a processor-based system. All three step-down converters enter a low-power mode at light load for maximum efficiency across the widest possible range of load currents.

The TPS65020 device also integrates two 200-mA LDO voltage regulators, which are enabled with an external input pin. Each LDO operates with an input voltage range from 1.5 V to 6.5 V, thus allowing them to be supplied from one of the step-down converters or directly from the main battery. The two 200-mA LDO voltage regulators are intended for use with the SDRAM and PLL power supply in an Intel PXA270-based system. The serial interface is used for dynamic voltage scaling of the core voltage, masking interrupts, or for disabling or enabling and setting the LDO output voltages. The interface is compatible with both the fast and standard mode I2C specifications, allowing transfers at up to 400 kHz.

The TPS65020 incorporates a push-button debounced input and latched output for implementation of a push-button turnon feature, typically required in smart phones or wireless PDAs.

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Technical documentation

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Type Title Date
* Data sheet TPS65020 Power Management IC For Li-Ion or Li-Polymer Powered Systems datasheet (Rev. D) Jan. 08, 2016
Application note Optimizing Resistor Dividers at a Comparator (Rev. B) Apr. 30, 2021
Application note LDO Noise Demystified (Rev. B) Aug. 18, 2020
Application note LDO PSRR Measurement Simplified (Rev. A) Aug. 09, 2017
Application note Basic Calculation of a Buck Converter's Power Stage (Rev. B) Aug. 17, 2015
Application note Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) Jan. 13, 2012
Application note Understanding the TPS65010 Software Nov. 17, 2003

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Software development

GUI FOR EVALUATION MODULE (EVM) Download
IPG-UI EVM GUI
IPG-UI The IPG-UI GUI can be used to configure multiple PMIC devices to evaluate the features and performance of those devices.  This GUI is build using web based technologies and supports interacting with the EVM hardware using a USB2ANY adapter board. The USB2ANY Explorer is provided to allow (...)
GUI FOR EVALUATION MODULE (EVM) Download
SLVC086A.ZIP (12459 KB)

Design tools & simulation

SCHEMATIC Download
SLVR302.PDF (92 KB)
GERBER FILE Download
SLVC144.ZIP (182 KB)

CAD/CAE symbols

Package Pins Download
VQFN (RHA) 40 View options

Ordering & quality

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  • Ongoing reliability monitoring

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