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TPS65055

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具有 4 個(gè)低輸入電壓 LDO 的 2.25MHz 雙通道降壓轉(zhuǎn)換器

產(chǎn)品詳情

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) 0.8 Vout (max) (V) 3 Iout (max) (A) 0.6 Configurability Hardware configurable Features I2C control Rating Catalog Operating temperature range (°C) -40 to 85 Step-down DC/DC controller 0 Step-up DC/DC controller 0 Iq (typ) (mA) 1.25 Switching frequency (max) (kHz) 2475 Shutdown current (ISD) (typ) (μA) 18 Switching frequency (typ) (kHz) 2250
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) 0.8 Vout (max) (V) 3 Iout (max) (A) 0.6 Configurability Hardware configurable Features I2C control Rating Catalog Operating temperature range (°C) -40 to 85 Step-down DC/DC controller 0 Step-up DC/DC controller 0 Iq (typ) (mA) 1.25 Switching frequency (max) (kHz) 2475 Shutdown current (ISD) (typ) (μA) 18 Switching frequency (typ) (kHz) 2250
VQFN (RSM) 32 16 mm2 4 x 4
  • Up to 95% Efficiency
  • Output Current for DCDC Converters 2 × 0.6 A
  • Two Selectable Fixed Output Voltages 1 V and
    1.2 V for DCDC2
  • VIN Range for DCDC 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
  • 2 General-Purpose 400 mA High PSRR LDOs
  • 2 General-Purpose 200 mA High PSRR LDOs
  • VIN Range for LDOs From 1.5 V to 6.5 V
  • Digital Voltage Selection for the LDOs
  • I2C Compatible Interface
  • Available in a 4 mm × 4 mm 32-Pin QFN Package
  • Up to 95% Efficiency
  • Output Current for DCDC Converters 2 × 0.6 A
  • Two Selectable Fixed Output Voltages 1 V and
    1.2 V for DCDC2
  • VIN Range for DCDC 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
  • 2 General-Purpose 400 mA High PSRR LDOs
  • 2 General-Purpose 200 mA High PSRR LDOs
  • VIN Range for LDOs From 1.5 V to 6.5 V
  • Digital Voltage Selection for the LDOs
  • I2C Compatible Interface
  • Available in a 4 mm × 4 mm 32-Pin QFN Package

The TPS65055 device is an integrated Power Management IC for applications powered by one Li-Ion or Li-Polymer cell, which require multiple power rails.

The TPS65055 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 load for maximum efficiency across the widest possible range of load currents.

For low noise applications the device can be forced into fixed frequency PWM mode using the I2C compatible interface. In shutdown mode, current consumption is reduced to less than 1 µA.

The device allows the use of small inductors and capacitors to achieve a small solution size.

The TPS65055 provides an output current of up to 0.6 A on each DC-DC converter.

The TPS65055 also integrates two 400-mA LDO and two 200-mA LDO voltage regulators, which can be turned on/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. Two digital input pins are used to set the output voltage of the LDOs from a set of 9 different combinations for LDO1 to LDO4. Additionally, the converters can be controlled by an I2C compatible interface.

The TPS65055 is available in a small 32-pin leadless package (4 mm × 4 mm QFN) with a 0.4-mm pitch.

The TPS65055 device is an integrated Power Management IC for applications powered by one Li-Ion or Li-Polymer cell, which require multiple power rails.

The TPS65055 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 load for maximum efficiency across the widest possible range of load currents.

For low noise applications the device can be forced into fixed frequency PWM mode using the I2C compatible interface. In shutdown mode, current consumption is reduced to less than 1 µA.

The device allows the use of small inductors and capacitors to achieve a small solution size.

The TPS65055 provides an output current of up to 0.6 A on each DC-DC converter.

The TPS65055 also integrates two 400-mA LDO and two 200-mA LDO voltage regulators, which can be turned on/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. Two digital input pins are used to set the output voltage of the LDOs from a set of 9 different combinations for LDO1 to LDO4. Additionally, the converters can be controlled by an I2C compatible interface.

The TPS65055 is available in a small 32-pin leadless package (4 mm × 4 mm QFN) with a 0.4-mm pitch.
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* 數(shù)據(jù)表 TPS65055 2.25-MHz Dual Step-Down Converter With 4 Low-Input Voltage LDOs 數(shù)據(jù)表 (Rev. A) PDF | HTML 2015年 6月 30日
應(yīng)用手冊(cè) 設(shè)計(jì)電壓監(jiān)控器的電阻分壓器輸入端時(shí)的 IQ與精度權(quán)衡因素 (Rev. B) PDF | HTML 英語版 (Rev.B) PDF | HTML 2021年 10月 25日
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模擬設(shè)計(jì)期刊 IQ：它是什么、不是什么以及如何使用 英語版 2011年 8月 17日

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IPG-UI — IPG-UI EVM GUI (Windows Installer)

The IPG-UI GUI can be used to configure multiple PMIC devices to evaluate the features and performance of those devices.  This GUI is built using web-based technologies and supports interacting with the EVM hardware using a USB2ANY adapter board. The USB2ANY Explorer is provided to allow (...)

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支持軟件

TPS65055EVM-SW — TPS65055 EVM 軟件（傳統(tǒng)版）

TPS65055 EVM 軟件為 TPS65055 EVM 板提供軟件接口。使用本軟件通過 USB 接口適配器來更改 TPS65055 IC 寄存器。

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