TPS65218

(NRND) Power Management IC (PMIC) for ARM Cortex-A8/A9 SoCs and FPGA

Diagram

Functional Diagram

Description

The TPS65218 is a single chip power management IC, specifically designed to support both portable (Li-Ion battery) and non-portable (5-V adapter) applications. The device is characterized across a –40°C to +105°C temperature range, making it suitable for a wide range of industrial applications.

Features

  • Three Adjustable Step-Down Converters With Integrated Switching FETs (DCDC1, DCDC2, DCDC3):
    • DCDC1: 1.1-V Default up to 1.8 A
    • DCDC2: 1.1-V Default up to 1.8 A
    • DCDC3: 1.2-V Default up to 1.8 A
    • VIN Range From 2.7 V to 5.5 V
    • Adjustable Output Voltage Range 0.85 V to 1.675 V (DCDC1 and DCDC2)
    • Adjustable Output Voltage Range 0.9 V to 3.4 V (DCDC3)
    • Power Save Mode at Light Load Current
    • 100% Duty Cycle for Lowest Dropout
    • Active Output-Discharge When Disabled
  • One Adjustable Buck-Boost Converter With Integrated Switching FETs (DCDC4):
    • DCDC4: 3.3 V, Default up to 1.6 A
    • VIN Range From 2.7 V to 5.5 V
    • Adjustable Output Voltage Range 1.175 V to 3.4 V
    • Active Output-Discharge When Disabled
  • Two Low-Quiescent Current, High Efficiency Step-Down Converters for Battery Backup Domain (DCDC5, DCDC6)
    • DCDC5: 1-V Output
    • DCDC6: 1.8-V Output
    • VIN Range from 2.2 V to 5.5 V
    • Supplied From System Power or Coin-Cell Backup Battery
  • Adjustable General-Purpose LDO (LDO1)
    • LDO1: 1.8-V Default up to 400 mA
    • VIN Range From 1.8 V to 5.5 V
    • Adjustable Output Voltage Range From 0.9 V to 3.4 V
    • Active Output-Discharge When Disabled
  • Low-Voltage Load Switch With 350-mA Current Limit (LS1)
    • VIN Range From 1.2 V to 3.6 V
    • 110-mΩ (Max) Switch Impedance at 1.35 V
  • 5-V Load Switch With 100-mA, 500-mA Selectable Current Limit (LS2)
    • VIN Range From 4 V to 5.5 V
    • 500-mΩ (Max) Switch Impedance at 5 V
  • High-Voltage Load Switch With 100-mA/ 500-mA Selectable Current Limit (LS3)
    • VIN Range From 1.8 V to 10 V
    • 500-mΩ (Max) Switch Impedance
  • Supervisor With Built-in Supervisor Function Monitors
    • DCDC1, DCDC2 ±4%
    • DCDC3, DCDC4 ±5%
    • LDO1 ±5%
  • Protection, Diagnostics, and Control:
    • Undervoltage Lockout (UVLO)
    • Always-on Push-Button Monitor
    • Overtemperature Warning and Shutdown
    • Separate Power-Good Output for Backup and Main Supplies
    • I2C Interface (Address 0x24) (See Timing Requirements for I2C Operation at 400 kHz)

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Technical Documents

Datasheet (1)

Application notes (4)

User guides (2)

Selection guides (1)

White papers (3)

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