TPS65217 Power Management IC (PMIC) w/ 3 DC/DCs, 4 LDOs, linear battery charger & white LED driver |

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Power Management IC (PMIC) w/ 3 DC/DCs, 4 LDOs, linear battery charger & white LED driver



The TPS65217x is a single-chip power management IC (PMIC) specifically designed to power the AM335x ARM® Cortex®-A8 processor in portable and 5-V line-powered applications. The PMIC device provides a linear battery charger for single-cell Li-ion and Li-polymer batteries, dual-input power path, three step-down converters, four low-dropout (LDO) regulators, and a high-efficiency boost converter to power two strings of up to 10 LEDs each. The system can be supplied by any combination of USB port, 5-V AC adaptor, or Li-Ion battery. The device is characterized across a –40°C to +105°C temperature range which makes it suitable for industrial applications. Three high-efficiency 2.25-MHz step-down converters can providing the core voltage, memory, and I/O voltage for a system. The TPS65217x device comes in a 48-pin leadless package (6-mm × 6-mm VQFN) with a 0.4-mm pitch.


  • Charger and Power Path
    • 2-A Output Current on Power Path
    • Linear Charger; 700-mA Maximum Charge Current
    • 20-V Tolerant USB and AC Inputs
    • Thermal Regulation, Safety Timers
    • Temperature Sense Input
  • Step-Down Converter (DCDC1, DCDC2, DCDC3)
    • Three Step-Down Converter With Integrated Switching FETs
    • 2.25-MHz Fixed Frequency Operation
    • Power-Save Mode at Light-Load Current
    • Output Voltage Accuracy in PWM Mode ±2%
    • 100% Duty Cycle for Lowest Dropout
    • Typical 15-µA Quiescent per Converter
    • Passive Discharge to Ground When Disabled
  • LDO Regulators (LDO1, LDO2)
    • Two Adjustable LDOs
    • LDO2 can be Configured to Track DCDC3
    • Typical 15-µA Quiescent Current
  • Load Switches (LDO3, LDO4)
    • Two Independent Load Switches That Can Be Configured as LDOs
  • WLED Driver
    • Internally Generated PWM for Dimming Control
    • 38-V Open-LED Protection
    • Supports Two Strings of up to 10 LEDs at 25 mA Each
    • Internal Low-Side Current Sinks
  • Protection
    • Undervoltage Lockout and Battery Fault Comparator
    • Always-On Push-Button Monitor
    • Hardware Reset Pin
    • Password Protected I2C Registers
  • Interface
    • I2C Interface (Address 0x24)
    • Password-Protected I2C Registers

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Part number Order Regulated outputs (#) Processor supplier Processor name Vin (Min) (V) Vin (Max) (V) Step-up DC/DC controller Step-down DC/DC controller LDO Step-up DC/DC converter Step-down DC/DC converter Iout (Max) (A) Iq (Typ) (mA) Features Shutdown current (Typ) (uA) Rating Operating temperature range (C) Configurability Package Group Package size: mm2:W x L (PKG)
TPS65217 Order now 9     Texas Instruments     AM335x     2.75     5.8     0     0     4     1     4     1.2     0.08     Comm Control     6     Catalog     -40 to 105     Factory programmable
Software configurable    
VQFN | 48     48VQFN: 36 mm2: 6 x 6 (VQFN | 48)    
TPS650250 Order now 6     Texas Instruments     AM335x
2.5     6     0     0     3     0     3     1.6     0.085     Power Sequencing     16     Catalog     -40 to 85     Hardware configurable     VQFN | 32     32VQFN: 25 mm2: 5 x 5 (VQFN | 32)    
TPS65216 Order now 5     Texas Instruments     AM335x
1.8     5.5     0     0     1     0     4     1.8     0.22     Dynamic Voltage Scaling
I2C Control
Over Current Protection
Power Good
Power Sequencing
Power Supply and System Monitoring
Thermal Shutdown
UVLO Adjustable    
5     Catalog     -40 to 105     Factory programmable
Software configurable    
VQFN | 48     48VQFN: 36 mm2: 6 x 6 (VQFN | 48)    
TPS652170 Order now 9     Texas Instruments
2.75     5.8     0     0     4     1     3     1.2     0.08     Comm Control
Dynamic Voltage Scaling
I2C Control
Power Good
Power Sequencing    
6     Catalog     -40 to 105     User programmable     VQFN | 48     48VQFN: 36 mm2: 6 x 6 (VQFN | 48)    
TPS65218D0 Order now 7     Texas Instruments     AM437x