TPS65218B1RSLR

When it comes to safety, the TPS65218B1RSLR boasts a range of protection features that guarantee the smooth and secure operation of the device. From thermal shutdown to overcurrent protection and undervoltage lockout, users can rest assured that their portable electronics are safeguarded against potential risks and malfunctions

Key Features

• Three Adjustable Step-Down Converters With Integrated Switching FETs (DCDC1, DCDC2, and 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 from 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 (LS1) With 350-mA Current Limit
  • VIN Range From 1.2 V to 3.6 V
  • 110-mΩ (Max) Switch Impedance at 1.35 V
• 5-V Load Switch (LS2) With 100-mA or 500-mA Selectable Current Limit
  • VIN Range From 4 V to 5.5 V
  • 500-mΩ (Max) Switch Impedance at 5 V
• High-Voltage Load Switch (LS3) With 100-mA or 500-mA Selectable Current Limit
  • VIN Range From 1.8 V to 10 V
  • 500-mΩ (Max) Switch Impedance
• Supervisor With Built-in Supervisor Function Monitors
  • DCDC1, DCDC2 ±4% Tolerance
  • DCDC3, DCDC4 ±5% Tolerance
  • LDO1 ±5% Tolerance
• 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)