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多通道 IC (PMIC)

TPS650250-Q1

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具有 3 个降压转换器和 3 个 LDO 的汽车类 1.5V 至 6.5V 电源管理 IC

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TPS650250-Q1

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产品详情

Regulated outputs (#) 6 Configurability Hardware configurable Vin (min) (V) 2.5 Vin (max) (V) 6 Vout (min) (V) 1 Vout (max) (V) 5.6 Iout (max) (A) 1.6 Features Power sequencing Step-up DC/DC converter 0 Step-down DC/DC converter 3 Step-down DC/DC controller 0 Step-up DC/DC controller 0 LDO 3 Iq (typ) (mA) 0.135 Rating Automotive Switching frequency (max) (kHz) 2550 Operating temperature range (°C) -40 to 125 Processor supplier NXP/Freescale Processor name i.MX31 Shutdown current (ISD) (typ) (µA) 16 Switching frequency (typ) (kHz) 2250 Product type Processor and FPGA
Regulated outputs (#) 6 Configurability Hardware configurable Vin (min) (V) 2.5 Vin (max) (V) 6 Vout (min) (V) 1 Vout (max) (V) 5.6 Iout (max) (A) 1.6 Features Power sequencing Step-up DC/DC converter 0 Step-down DC/DC converter 3 Step-down DC/DC controller 0 Step-up DC/DC controller 0 LDO 3 Iq (typ) (mA) 0.135 Rating Automotive Switching frequency (max) (kHz) 2550 Operating temperature range (°C) -40 to 125 Processor supplier NXP/Freescale Processor name i.MX31 Shutdown current (ISD) (typ) (µA) 16 Switching frequency (typ) (kHz) 2250 Product type Processor and FPGA
VQFN (RHB) 32 25 mm² 5 x 5
  • Qualified for Automotive Applications
  • 1.6A, 97% Efficient Step-Down Converter for System Voltage (VDCDC1)
    • 3.3V or 2.8V or Adjustable
  • 0.8A, up to 95% Efficient Step-Down Converter for Memory Voltage (VDCDC2)
    • 1.8V or 2.5V or Adjustable
  • 0.8A, 90% Efficient Step-Down Converter for Processor Core (VDCDC3)
  • Adjustable Output Voltage on VDCDC3
  • 30mA LDO for Vdd_alive
  • 2 × 200mA General Purpose LDOs (LDO1 and LDO2)
  • Dynamic Voltage Management for Processor Core
  • LDO1 and LDO2 Voltage Externally Adjustable
  • Separate Enable Pins for Inductive Converters
  • 2.25MHz Switching Frequency
  • 85µA Quiescent Current
  • Thermal Shutdown Protection
  • Qualified for Automotive Applications
  • 1.6A, 97% Efficient Step-Down Converter for System Voltage (VDCDC1)
    • 3.3V or 2.8V or Adjustable
  • 0.8A, up to 95% Efficient Step-Down Converter for Memory Voltage (VDCDC2)
    • 1.8V or 2.5V or Adjustable
  • 0.8A, 90% Efficient Step-Down Converter for Processor Core (VDCDC3)
  • Adjustable Output Voltage on VDCDC3
  • 30mA LDO for Vdd_alive
  • 2 × 200mA General Purpose LDOs (LDO1 and LDO2)
  • Dynamic Voltage Management for Processor Core
  • LDO1 and LDO2 Voltage Externally Adjustable
  • Separate Enable Pins for Inductive Converters
  • 2.25MHz Switching Frequency
  • 85µA Quiescent Current
  • Thermal Shutdown Protection

The TPS650250 is an integrated Power Management IC for applications powered by one Li-Ion or Li-Polymer cell, which require multiple power rails. The TPS650250 provides three highly efficient, step-down converters targeted at providing the core voltage, peripheral, I/O and memory rails in a processor based system. 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 converters can be forced into fixed frequency PWM mode by pulling the MODE pin high.

The TPS650250 also integrates two general purpose 200mA LDO voltage regulators, which are enabled with an external input pin. Each LDO operates with an input voltage range between 1.5V and 6.5V allowing them to be supplied from one of the step-down converters or directly from the battery. The output voltage of the LDOs can be set with an external resistor divider for maximum flexibility. Additionally there is a 30mA LDO typically used to provide power in a processor based system to a voltage rail that is always on. TPS650250 comes in a small 5mm x 5mm 32-pin QFN package (RHB).

The TPS650250 is an integrated Power Management IC for applications powered by one Li-Ion or Li-Polymer cell, which require multiple power rails. The TPS650250 provides three highly efficient, step-down converters targeted at providing the core voltage, peripheral, I/O and memory rails in a processor based system. 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 converters can be forced into fixed frequency PWM mode by pulling the MODE pin high.

The TPS650250 also integrates two general purpose 200mA LDO voltage regulators, which are enabled with an external input pin. Each LDO operates with an input voltage range between 1.5V and 6.5V allowing them to be supplied from one of the step-down converters or directly from the battery. The output voltage of the LDOs can be set with an external resistor divider for maximum flexibility. Additionally there is a 30mA LDO typically used to provide power in a processor based system to a voltage rail that is always on. TPS650250 comes in a small 5mm x 5mm 32-pin QFN package (RHB).
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TPS650250 正在供货 具有 3 个直流/直流转换器和 3 个 LDO 的可配置集成电源管理 (PMIC) Industrial grade pin-to-pin alternate

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类型 标题 下载最新的英语版本 日期
* 数据表 TPS650250-Q1 Power Management IC for Li-Ion Powered Systems 数据表 2010年 3月 29日
白皮书 Power Management IC (PMIC) Guide for Automotive (Rev. A) 2014年 10月 29日

设计和开发

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评估板

TPS650250EVM-447 — TPS650250EVM-447 评估模块：具有 3 个直流/直流转换器和 3 个 LDO 的可配置电源管理 IC (PMIC)

TPS650250EVM-447 简化了 TPS650250 IC 的评估过程。TPS650250 是一款电源管理多通道 IC，它集成了三个高效降压转换器和两个通用 LDO。

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