TPS65023 Power Management IC (PMIC) with 3DC/DCs, 3 LDOs, I2C Interface and DVS | TI.com

TPS65023
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Power Management IC (PMIC) with 3DC/DCs, 3 LDOs, I2C Interface and DVS

 

Description

The TPS65023x device is an integrated power management IC for applications powered by one
Li-Ion or Li-Polymer cell, which require multiple power rails. The TPS65023x provides three highly efficient, step-down converters targeted at providing the core voltage, peripheral, I/O, and memory rails in a processor-based system. The core converter allows for on-the-fly voltage changes through serial interface, allowing the system to implement dynamic power savings. 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 TPS65023x also integrates two general-purpose 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 battery. The default output voltage of the LDOs can be digitally set to 4 different voltage combinations using the DEFLDO1 and DEFLDO2 pins. The serial interface can be used for dynamic voltage scaling, 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 TPS65023x is available in a 40-pin WQFN package, and operates over a free-air temperature of –40°C to 85°C.

Features

  • 1.7-A, 90% Efficient Step-Down Converter for Processor Core (VDCDC1)
  • 1.2-A, Up to 95% Efficient Step-Down Converter for System Voltage (VDCDC2)
  • 1.0-A, 92% Efficient Step-Down Converter for Memory Voltage (VDCDC3)
  • 30-mA LDO and Switch for Real Time Clock (VRTC)
  • 2 × 200-mA General-Purpose LDO
  • Dynamic Voltage Management for Processor Core
  • Preselectable LDO Voltage Using Two Digital Input Pins
  • Externally Adjustable Reset Delay Time
  • Battery Backup Functionality
  • Separate Enable Pins for Inductive Converters
  • I2C-Compatible Serial Interface
  • I2C™ Setup and Hold Timing:
    • TPS65023: 300 ns
    • TPS65023B: 100 ns
  • 85-µA Quiescent Current
  • Low Ripple PFM Mode
  • Thermal Shutdown Protection
  • 40-Pin, 5-mm × 5-mm WQFN Package

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Parametrics

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Part number Order Regulated outputs (#) Processor supplier Processor name Vin (Min) (V) Vin (Max) (V) Step-up DC/DC controller Step-down DC/DC controller LDO Step-up DC/DC converter Step-down DC/DC converter Iout (Max) (A) Iq (Typ) (mA) Features Shutdown current (Typ) (uA) Rating Operating temperature range (C) Configurability Package Group Package size: mm2:W x L (PKG)
TPS65023 Order now 6     Texas Instruments     DM357x
DM644x
OMAP35xx
AM35xx
OMAP-L1xx    
2.5     6     0     0     3     0     3     1.7     0.085     Comm Control
Power Good
Power Sequencing    
23     Catalog     -40 to 85     Hardware configurable
Software configurable    
WQFN | 40     40WQFN: 25 mm2: 5 x 5 (WQFN | 40)    
TPS65023-Q1 Order now 6     Texas Instruments     DM357x
DM644x
OMAP35xx
AM35xx
OMAP-L1xx    
2.5     6     0     0     3     0     3     1.7     0.085     Comm Control
Power Good
Power Sequencing    
23     Automotive     -40 to 125     Hardware configurable
Software configurable    
VQFN | 40
WQFN | 40    
40VQFN: 36 mm2: 6 x 6 (VQFN | 40)
40WQFN: 25 mm2: 5 x 5 (WQFN | 40)    
TPS650231 Order now 6     Texas Instruments     DM357x
DM644x
OMAP35xx
AM35xx
OMAP-L1xx    
2.5     6     0     0     3     0     3     1.7     0.085     Comm Control
Power Good
Power Sequencing    
23     Catalog     -40 to 85     Hardware configurable
Software configurable    
DSBGA | 49
WQFN | 40    
See datasheet (DSBGA)
40WQFN: 25 mm2: 5 x 5 (WQFN | 40)    
TPS65023B Order now 6     Texas Instruments     DM357x
DM644x
OMAP35xx
AM35xx
OMAP-L1xx    
2.5     6     0     0     3     0     3     1.7     0.085     Comm Control
Power Good
Power Sequencing    
23     Catalog     -40 to 85     Hardware configurable
Software configurable    
WQFN | 40     40WQFN: 25 mm2: 5 x 5 (WQFN | 40)