Texas Instruments TPS6521855 Product Info

Parameters

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

Package

VQFN (RSL)-48-36 mm² 6 x 6

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: 1.0-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)

Description

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.

ELECTRONIC COMPONENTS
All In One Distributor

TPS6521855

Power Management IC (PMIC) for TI AM64x

Texas Instruments TPS6521855 Product Info

Parameters

Package

Features

Description

SUBMITTED SUCCESSFULLY！

ELECTRONIC COMPONENTS All In One Distributor

TPS6521855

Power Management IC (PMIC) for TI AM64x

Texas Instruments TPS6521855 Product Info

Parameters

Package

Features

Description

SUBMITTED SUCCESSFULLY！

ELECTRONIC COMPONENTS
All In One Distributor