TPS62242-Q1 Automotive 2V to 6V, 2.25MHz Fixed Frequency, 300mA Buck Converter with 1.2V Fixed Output Voltage | TI.com

TPS62242-Q1 (ACTIVE)

Automotive 2V to 6V, 2.25MHz Fixed Frequency, 300mA Buck Converter with 1.2V Fixed Output Voltage

 

Description

The TPS62242-Q1 device is a highly efficient buck converter optimized for battery-powered portable applications. The device provides up to 300-mA output current from a single Li-Ion cell and is ideal for battery-powered portable applications, automotive applications, and other equipment like Advanced Driver Assistance Systems (ADAS).

With an input voltage range of 2 V to 6 V, the device supports applications powered by Li-Ion batteries with extended voltage range, two- and three-cell alkaline.

The TPS62242-Q1 operates at 2.25-MHz fixed-switching frequency and enters the power-save mode of operation at light load currents to maintain high efficiency over the entire load current range.

The power-save mode is optimized for low output-voltage ripple. In shutdown mode, the current consumption is reduced to less than 1 µA. With 2.25-MHz fixed frequency and a 1.2-V fixed output voltage, the TPS62242-Q1 device allows the use of small inductors and capacitors to achieve a small solution size.

The TPS62242-Q1 operates over a free-air temperature range of –40°C to 115°C. The device is available in a 5-pin SOT 2.90-mm × 1.60-mm package.

Features

  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 2
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C4B
  • High Efficiency – Up to 94%
  • Output Current Up to 300 mA
  • VIN Range From 2 V to 6 V
  • 2.25-MHz Fixed-Frequency Operation
  • Power-Save Mode at Light Load Currents
  • Output Voltage Accuracy in PWM Mode ±1.5%
  • 1.2-V Fixed Output Voltage
  • 15-µA Typical Quiescent Current
  • 100% Duty Cycle for Lowest Dropout
  • Available in a SOT (5) 2.90-mm × 1.60-mm Package
  • Allows < 1-mm Solution Height

Parametrics

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Part number Order Vin (Min) (V) Vin (Max) (V) Vout (Min) (V) Vout (Max) (V) Iout (Max) (A) Regulated outputs (#) Switching frequency (Min) (kHz) Switching frequency (Max) (kHz) Iq (Typ) (mA) Features Control mode Duty cycle (Max) (%) Operating temperature range (C) Rating Package Group Type Package size: mm2:W x L (PKG)
TPS62242-Q1 Order now 2     6     1.2     1.2     0.3     1     2250     2250     0.015     Enable
Forced PWM
Light Load Efficiency
Synchronous Rectification    
Voltage Mode     100     -40 to 115     Automotive     SOT-23-THIN | 5     Converter     5SOT-23-THIN: 8 mm2: 2.8 x 2.9 (SOT-23-THIN | 5)    
TPS62231-Q1 Order now 2.05     6     1.8     1.8     0.5     1     3000     3000     0.022     Enable
Forced PWM
Light Load Efficiency
Synchronous Rectification    
Constant on-time (COT)
DCS-Control    
100     -40 to 105     Automotive     SON | 6     Converter     See datasheet (SON)    
TPS622314-Q1 Order now 2.05     6     1.5     1.5     0.5     1     3000     3800     0.022     Enable
Forced PWM
Light Load Efficiency
Synchronous Rectification    
Voltage Mode
DCS-Control    
100     -40 to 105     Automotive     SON | 6     Converter     See datasheet (SON)    
TPS62243-Q1 Order now 2     6     1.8     1.8     0.3     1     2250     2250     0.015     Enable
Forced PWM
Light Load Efficiency
Synchronous Rectification
UVLO Fixed    
Voltage Mode     100     -40 to 125     Automotive     SOT-23-THIN | 5     Converter     5SOT-23-THIN: 8 mm2: 2.8 x 2.9 (SOT-23-THIN | 5)    
TPS62244-Q1 Order now 2     6     1.25     1.25     0.3     1     2250     2250     0.015     Enable
Light Load Efficiency
Over Current Protection
Synchronous Rectification
UVLO Fixed    
Voltage Mode     100     -40 to 125