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TPS6521855

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TPS6521855

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Detalles del producto

Processor supplier Texas Instruments Processor name Sitara AM64x Product type Processor and FPGA Regulated outputs (#) 7 Step-down DC/DC converter 5 Step-up DC/DC converter 1 LDO 1 Vin (min) (V) 2.2 Vin (max) (V) 5.5 Vout (min) (V) 0.85 Vout (max) (V) 3.4 Iout (max) (A) 1.8 Configurability Factory programmable Features Dynamic voltage scaling, Eco-mode, I2C control, Overcurrent protection, Power good, Power sequencing, Power supply and system monitoring, Thermal shutdown, UVLO adjustable Rating Catalog Operating temperature range (°C) -40 to 105 Step-down DC/DC controller 0 Step-up DC/DC controller 0 Iq (typ) (mA) 0.025 Switching frequency (max) (kHz) 2400 Shutdown current (ISD) (typ) (µA) 5 Switching frequency (typ) (kHz) 2400
Processor supplier Texas Instruments Processor name Sitara AM64x Product type Processor and FPGA Regulated outputs (#) 7 Step-down DC/DC converter 5 Step-up DC/DC converter 1 LDO 1 Vin (min) (V) 2.2 Vin (max) (V) 5.5 Vout (min) (V) 0.85 Vout (max) (V) 3.4 Iout (max) (A) 1.8 Configurability Factory programmable Features Dynamic voltage scaling, Eco-mode, I2C control, Overcurrent protection, Power good, Power sequencing, Power supply and system monitoring, Thermal shutdown, UVLO adjustable Rating Catalog Operating temperature range (°C) -40 to 105 Step-down DC/DC controller 0 Step-up DC/DC controller 0 Iq (typ) (mA) 0.025 Switching frequency (max) (kHz) 2400 Shutdown current (ISD) (typ) (µA) 5 Switching frequency (typ) (kHz) 2400
VQFN (RSL) 48 36 mm² (6 mm × 6 mm)
  • Three Adjustable Step-Down Converters With Integrated Switching FETs (DCDC1, DCDC2, and DCDC3):
    • DCDC1: 1.1-V Default, up to 1.8 A
    • DCDC2: 1.0-V Default, up to 1.8A
    • DCDC3: 1.8-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: 2.5-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: 3.3-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 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)
  • Three Adjustable Step-Down Converters With Integrated Switching FETs (DCDC1, DCDC2, and DCDC3):
    • DCDC1: 1.1-V Default, up to 1.8 A
    • DCDC2: 1.0-V Default, up to 1.8A
    • DCDC3: 1.8-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: 2.5-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: 3.3-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 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)

The TPS6521855 is a single chip, power-management IC (PMIC) specifically designed to support the AM64x line of processors in both portable (Li-Ion battery) and nonportable (5-V adapter) applications. The device is characterized across a –40°C to +105°C temperature range, making it suitable for various industrial applications.

The TPS6521855 is a single chip, power-management IC (PMIC) specifically designed to support the AM64x line of processors in both portable (Li-Ion battery) and nonportable (5-V adapter) applications. The device is characterized across a –40°C to +105°C temperature range, making it suitable for various industrial applications.
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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos TPS6521855 Power Management IC (PMIC) for AM64x Arm® Cortex®-A53 Processors datasheet (Rev. A) 23/07/2021
Nota sobre la aplicación Using LP8733xx and TPS65218xx PMICs to Power AM64x and AM243x Sitara Processors PDF | HTML 16/02/2022

Diseño y desarrollo

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Kit de desarrollo de software (SDK)

PROCESSOR-SDK-AM64X — Kit de desarrollo de software para procesadores AM64x Sitara™

The Processor and MCU+ SDKs (Software Development Kits) are unified software platforms for TI embedded processors providing easy setup and fast out-of-the-box access to benchmarks and demos. All releases of these SDKs are consistent across TI’s broad portfolio for which they are provided, (...)

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