Power Management IC (PMIC) for TI AM64x
Product details
Parameters
Package | Pins | Size
Features
- Three Adjustable Step-Down Converters With Integrated Switching FETs (DCDC1, DCDC2, and DCDC3):
- DCDC1: 1.1-V Default, up to 1.8 A
- DCDC3: 1.21.8-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: 1.8-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)
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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.
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Technical documentation
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View all 1 | Type | Title | Date | |
|---|---|---|---|
| * | Data sheet | TPS6521855 Power Management IC (PMIC) for AM64x Arm® Cortex®-A53 Processors datasheet | Mar. 16, 2021 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
The AM64x EVM is a standalone test, development, and evaluation module (EVM) that lets developers evaluate AM64x's functionality and develop prototypes for a variety of applications.
The EVM is equipped with a Sitara™ AM6442 processor along with additional components to allow the user to make (...)
Features
- 3 RJ45 Ethernet ports capable of 1Gb or 100Mb speeds
- Real-time, low-pin count FSI interface for easy connection with C2000™ MCUs
- 1-inch display and LEDs for convenient visual outputs
- x4 Lane PCIe connector to interface one lane PCIe card
- On-board power measurement capabilities
Software development
PROCESSOR-SDK-AM64X — 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 (...)
Features
- Mainline Linux
- Long-Term Stable (LTS) kernel support on ARM Cortex A53
- Board Support Package (BSP)
- Yocto based filesystem
- FreeRTOS and No-RTOS support on ARM Cortex R5F
- Integrated demos and examples including
- Out-of-box real-time benchmarking
- Decentralized motor drive with EtherCAT
- Industrial communications (...)
CAD/CAE symbols
| Package | Pins | Download |
|---|---|---|
| VQFN (RSL) | 48 | View options |
Ordering & quality
Information included:
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- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
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