Datasheet > TPS6521855RSLT

TPS6521855RSLT

更新时间： 2024-09-30 02:52:07

品牌	Logo	应用领域
德州仪器 - TI		集成电源管理电路
页数	文件大小	规格书
94页	2112K
描述
TPS6521855 Power Management IC (PMIC) for AM64x ArmÂ®CortexÂ®-A53 Processors

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TPS6521855RSLT 数据手册

TPS6521855

SLDS268 – MAY 2021

TPS6521855 Power Management IC (PMIC) for AM64x Arm^®Cortex^®-A53 Processors

– DCDC3, DCDC4 ±5% Tolerance

– LDO1 ±5% Tolerance

1 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: 1.2 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)

•

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)

– Adjustable Output Voltage Range 0.9 V to 3.4 V

(DCDC3)

2 Applications

– 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)

•

Grid Infrastructure

Appliances

Human-Machine Interface (HMI)

Industrial Automation

Electronic Point of Sale (ePOS)

Test and Measurement

Personal Navigation

•

Industrial Communications

Connected Industrial Drives

3 Description

The TPS6521855 is

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.

– 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

Device Information⁽¹⁾

•

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

PART NUMBER

TPS6521855

PACKAGE

VQFN (48)

HTQFP (48)

BODY SIZE (NOM)

6.00 mm × 6.00 mm

7.00 mm × 7.00 mm

– 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

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

•

– 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

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...94

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