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TPS65051-Q1

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Power-Management-IC für die Automobilindustrie, 1,5 bis 6,5 V, 2 Abwärtswandler & 4 LDOs

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Datenblatt

TPS65051-Q1

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Datenblatt Jetzt bestellen

Produktdetails

Processor supplier NXP/Freescale Processor name i.MX25 Product type Processor and FPGA Regulated outputs (#) 6 Step-down DC/DC converter 2 Step-up DC/DC converter 0 LDO 4 Vin (min) (V) 1.5 Vin (max) (V) 6.5 Vout (min) (V) 0.6 Vout (max) (V) 6 Iout (max) (A) 1 Configurability Hardware configurable Features I2C control Rating Automotive Operating temperature range (°C) -40 to 125 Step-down DC/DC controller 0 Step-up DC/DC controller 0 Iq (typ) (mA) 2.4 Switching frequency (max) (kHz) 2475 Shutdown current (ISD) (typ) (µA) 9 Switching frequency (typ) (kHz) 2250
Processor supplier NXP/Freescale Processor name i.MX25 Product type Processor and FPGA Regulated outputs (#) 6 Step-down DC/DC converter 2 Step-up DC/DC converter 0 LDO 4 Vin (min) (V) 1.5 Vin (max) (V) 6.5 Vout (min) (V) 0.6 Vout (max) (V) 6 Iout (max) (A) 1 Configurability Hardware configurable Features I2C control Rating Automotive Operating temperature range (°C) -40 to 125 Step-down DC/DC controller 0 Step-up DC/DC controller 0 Iq (typ) (mA) 2.4 Switching frequency (max) (kHz) 2475 Shutdown current (ISD) (typ) (µA) 9 Switching frequency (typ) (kHz) 2250
VQFN (RSM) 32 16 mm² 4 x 4
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C3B
  • Up To 95% Efficiency
  • Output Current for DC-DC Converter:
    DCDC1 = 1 A; DCDC2 = 0.6 A
  • Externally Adjustable Output Voltage for DC-DC Converter
  • VI 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%
  • Low-Ripple PFM Mode
  • Total Typical 32-μA Quiescent Current for Both DC-DC Converters
  • 100% Duty Cycle for Lowest Dropout
  • Two General-Purpose 400-mA, High-PSRR LDOs
  • Two General-Purpose 200-mA, High-PSRR LDOs
  • VI Range for LDOs from 1.5 V to 6.5 V
  • Digital Voltage Selection for the LDOs
  • Available in a 4-mm × 4-mm 32-Pin VQFN Package

All trademarks are the property of their respective owners.

  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C3B
  • Up To 95% Efficiency
  • Output Current for DC-DC Converter:
    DCDC1 = 1 A; DCDC2 = 0.6 A
  • Externally Adjustable Output Voltage for DC-DC Converter
  • VI 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%
  • Low-Ripple PFM Mode
  • Total Typical 32-μA Quiescent Current for Both DC-DC Converters
  • 100% Duty Cycle for Lowest Dropout
  • Two General-Purpose 400-mA, High-PSRR LDOs
  • Two General-Purpose 200-mA, High-PSRR LDOs
  • VI Range for LDOs from 1.5 V to 6.5 V
  • Digital Voltage Selection for the LDOs
  • Available in a 4-mm × 4-mm 32-Pin VQFN Package

All trademarks are the property of their respective owners.

The TPS65051-Q1 device is an integrated power-management IC for applications powered by one Li-Ion or Li-Polymer cell, which requires multiple power rails. The TPS65051-Q1 device provides two 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 load for maximum efficiency across the widest possible range of load currents.

For low-noise applications, the user can force the devices into fixed-frequency PWM mode by pulling the MODE pin high. Operating in the shutdown mode reduces the current consumption to less than 1 μA. The devices allow the use of small inductors and capacitors to achieve a small solution size. The TPS65051-Q1 device provides an output current of up to 1 A (DCDC1) and 0.6 A (DCDC2). The TPS65051-Q1 device also integrates two 400-mA LDO and two 200-mA LDO voltage regulators, which one can turn on or off using separate enable pins on each LDO. Each LDO operates with an input voltage range between 1.5 V and 6.5 V, allowing the supply to be from one of the step-down converters or directly from the main battery.

The LDO voltage of the TPS65051-Q1 device is adjustable using external resistor dividers.

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

The TPS65051-Q1 device is an integrated power-management IC for applications powered by one Li-Ion or Li-Polymer cell, which requires multiple power rails. The TPS65051-Q1 device provides two 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 load for maximum efficiency across the widest possible range of load currents.

For low-noise applications, the user can force the devices into fixed-frequency PWM mode by pulling the MODE pin high. Operating in the shutdown mode reduces the current consumption to less than 1 μA. The devices allow the use of small inductors and capacitors to achieve a small solution size. The TPS65051-Q1 device provides an output current of up to 1 A (DCDC1) and 0.6 A (DCDC2). The TPS65051-Q1 device also integrates two 400-mA LDO and two 200-mA LDO voltage regulators, which one can turn on or off using separate enable pins on each LDO. Each LDO operates with an input voltage range between 1.5 V and 6.5 V, allowing the supply to be from one of the step-down converters or directly from the main battery.

The LDO voltage of the TPS65051-Q1 device is adjustable using external resistor dividers.

For all available packages, see the orderable addendum at the end of the datasheet.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Datum
* Data sheet TPS65051-Q1 6-Channel Power Management IC With 2 Step-Down Converters and 4 Low-Input-Voltage LDOs datasheet (Rev. B) PDF | HTML 30 Jan 2017
Application note Powering Freescale™ i.MX25 using TPS65051 (Rev. A) 11 Nov 2010

Design und Entwicklung

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Evaluierungsplatine

TPS65051EVM-195 — TPS65051 6-Kanal, Power-Management-IC mit 2 DC/DCs – Evaluierungsmodul-Platine

The TPS65051EVM-195 helps designers evaluate the operation and performance of the TPS65051 PMIC for applications that are powered with one Li-ion or Li-polymer cell and require multiple power rails. The TPS65051 contains two highly efficient step-down switching converters, four low dropout linear (...)

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