TPS63020-Q1 High Efficiency Automotive Single Inductor Buck-Boost Converter with 4A Switch | TI.com

TPS63020-Q1 (ACTIVE)

High Efficiency Automotive Single Inductor Buck-Boost Converter with 4A Switch

 

Description

The TPS63020-Q1 device provides a power supply solution for products powered by either a two-cell or three-cell alkaline, NiCd or NiMH battery, or a one-cell Li-Ion or Li-Polymer battery. Output currents can go as high as 3 A while using a single-cell Li-Ion or Li-Polymer battery, and discharge it down to 2.5 V or lower. The buck-boost converter is based on a fixed frequency, pulse width modulation (PWM) controller using synchronous rectification to obtain maximum efficiency. At low load currents, the converter enters power save mode to maintain high efficiency over a wide load current range. The power save mode can be disabled, forcing the converter to operate at a fixed switching frequency. The maximum average current in the switches is limited to a typical value of 4 A. The output voltage is programmable using an external resistor divider. The converter can be disabled to minimize battery drain. During shutdown, the load is disconnected from the battery. The device is packaged in a 3 mm × 4 mm 14-pin VSON PowerPAD™ package (DSJ).

Features

  • Qualified for Automotive Applications
  • AEC-Q100 Qualified with the Following Results:
    • Device Temperature Grade: –40°C to 125°C
      Operating Junction Temperature Range
    • Device HBM ESD Classification Level H1B
    • Device CDM ESD Classification Level C4A
  • Input Voltage Range: 1.8 V to 5.5 V
  • Up to 96% Efficiency
  • 3 A Output Current at 3.3 V in Step Down Mode
    (VIN > 3.6 V)
  • More than 2 A Output Current at 3.3 V in Boost
    Mode (VIN > 2.5 V)
  • Automatic Transition Between Step Down and
    Boost Mode
  • Dynamic Input Current Limit
  • Device Quiescent Current less than 50 µA
  • Adjustable Output Voltage Range from 1.2 V to
    5.5 V
  • Power Save Mode for Improved Efficiency at
    Low Output Power
  • Forced Fixed Frequency Operation at 2.4 MHz
    and Synchronization Possible
  • Smart Power Good Output
  • Load Disconnect During Shutdown
  • Overtemperature Protection
  • Overvoltage Protection
  • Available in a 3-mm × 4-mm, VSON-14 Package

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Parametrics Compare all products in Buck-boost, inverting & split-rail converters (integrated switch)

 
Topology
Vin (Min) (V)
Vin (Max) (V)
Vout (Min) (V)
Vout (Max) (V)
Switch Current Limit (Typ) (A)
Duty cycle (Max) (%)
Switching Frequency (Min) (kHz)
Switching Frequency (Max) (kHz)
Features
Iq (Typ) (mA)
Iout (Max) (A)
Rating
Type
Operating temperature range (C)
Package Group
TPS63020-Q1 TPS63000 TPS63000-Q1 TPS63010 TPS63020 TPS63030 TPS63036 TPS63070
Buck-Boost     Buck-Boost     Buck-Boost     Buck-Boost     Buck-Boost     Buck-Boost     Buck-Boost     Buck-Boost    
1.8     1.8     1.8     2     1.8     1.8     1.8     2    
5.5     5.5     5.5     5.5     5.5     5.5     5.5     16    
1.2     1.2     1.2     1.2     1.2     1.2     1.2     2.5    
5.5     5.5     5.5     5.5     5.5     5.5     5.5     9    
4     1.8     1.8     2.2     4     1     1     3.6    
100     100     100     100     100     100     100     100    
2200     1250     1250     2200     2200     2200     2200     2100    
2600     1500     1500     2400     2600     2600     2600     2800    
Enable
Frequency Synchronization
Light Load Efficiency
Load Disconnect
Power Good
Synchronous Rectification
UVLO Fixed    
Enable
Frequency Synchronization
Light Load Efficiency
Load Disconnect
Synchronous Rectification
UVLO Fixed    
Enable
Frequency Synchronization
Light Load Efficiency
Load Disconnect
Synchronous Rectification
UVLO Fixed    
Dynamic Voltage Scaling
Enable
Frequency Synchronization
Light Load Efficiency
Load Disconnect
Synchronous Rectification
UVLO Fixed    
Enable
Frequency Synchronization
Light Load Efficiency
Load Disconnect
Power Good
Synchronous Rectification
UVLO Fixed    
Enable
Frequency Synchronization
Light Load Efficiency
Load Disconnect
Synchronous Rectification
UVLO Fixed    
Enable
Frequency Synchronization
Light Load Efficiency
Load Disconnect
Synchronous Rectification
UVLO Fixed    
Dynamic Voltage Scaling
Enable
Frequency Synchronization
Light Load Efficiency
Load Disconnect
Output Discharge
Power Good
Synchronous Rectification
UVLO Fixed
Voltage Margining    
0.05     0.04     0.04     0.04     0.05     0.025     0.025     0.05    
2     0.8     0.8     0.8     2     0.5     0.5     2    
Automotive     Catalog     Automotive     Catalog     Catalog     Catalog     Catalog     Catalog    
Converter     Converter     Converter     Converter     Converter     Converter     Converter     Converter    
-40 to 125     -40 to 85     -40 to 85     -40 to 85     -40 to 85     -40 to 85     -40 to 85     -40 to 125    
VSON | 14     VSON | 10     VSON | 10     DSBGA | 20     VSON | 14     SON | 10