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Automotive 1.5V to 6.5V, 2 Buck & 3 LDO Power Management IC


Package | PIN: RGE | 24
Temp: I (-40 to 85)
Carrier: Cut Tape
Qty Price
1-9 $4.70
10-24 $4.23
25-99 $3.94
100-249 $3.45
250-499 $3.24
500-749 $2.75
750-999 $2.32
1000+ $2.22


  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 3: –40°C to +85°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C4B
  • Up To 95% Efficiency
  • Output Current for DC-DC Converters:
    • DCDC1 = 1 A; DCDC2 = 0.6 A
  • DC-DC Converters Externally Adjustable
  • VIN Range for DC-DC Converters
    From 2.5 V to 6 V
  • 2.25-MHz Fixed Frequency Operation
  • Power Save Mode at Light-Load Current
  • 180° Out-of-Phase Operation
  • Output Voltage Accuracy in PWM Mode ±1%
  • Total Typical 32-μA Quiescent Current for Both DC-DC Converters
  • 100% Duty Cycle for Lowest Dropout
  • One General-Purpose 400-mA LDO
  • Two General-Purpose 200-mA LDOs
  • VIN Range for LDOs from 1.5 V to 6.5 V
  • Output Voltage for LDO3:
    • VLDO3 = 1.3 V
  • Available in a 4-mm × 4-mm 24-Pin VQFN Package

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Texas Instruments  TPS65053IRGERQ1

The TPS65053-Q1 device is integrated power management IC (PMIC) for applications powered by one Li-Ion or Li-Polymer cell, which require multiple power rails. The TPS65053-Q1 device provides two highly efficient, 2.25-MHz step-down converters targeted at providing the core voltage and I/O voltage in a processor-based system. Both step-down converters enter a low power mode at light loads for maximum efficiency across the widest possible range of load currents. For low-noise applications, the devices can be forced into fixed-frequency PWM mode by pulling the MODE pin high. Both converters allow the use of small inductors and capacitors to achieve a small solution size.

The TPS65053-Q1 device provides an output current of up to 1 A on the DCDC1 converter and up to 0.6 A on the DCDC2 converter. The device also integrates one 400-mA LDO and two 200-mA LDO voltage regulators, which can be turned on and off using separate enable pins on each LDO. Each LDO operates with an input voltage range from 1.5 V to 6.5 V, allowing them to be supplied from one of the step-down converters or directly from the main battery. LDO1 and LDO2 are externally adjustable, while LDO3 has a fixed output voltage of 1.3 V.

The TPS65053-Q1 device is available in a small 24-pin leadless package (4-mm × 4-mm VQFN) with a 0,5-mm pitch.

For all available packages, see the orderable addendum at the end of the data sheet.