Product details

Vin (Min) (V) 5.5 Vin (Max) (V) 26 Continuous current (Max) (A) 2.4 Current limit (A) 4.8 Product type Charge port converter Operating temperature range (C) -40 to 125 Enable adjustable UVLO Number of switches 1 Rating Automotive
Vin (Min) (V) 5.5 Vin (Max) (V) 26 Continuous current (Max) (A) 2.4 Current limit (A) 4.8 Product type Charge port converter Operating temperature range (C) -40 to 125 Enable adjustable UVLO Number of switches 1 Rating Automotive
VQFN-HR (RPQ) 25 16 mm² 4.5 x 3.5
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: TA range –40°C to +125°C
    • HBM ESD classification level H2
    • CDM ESD classification level C5
  • Optimized for ultra-low EMI requirements:
    • Meets CISPR25 class 5 standard
    • HotRod™ package minimizes switch node ringing
    • Spread spectrum reduces peak emissions
  • Synchronous buck regulator
    • High efficiency at 400 kHz: 95.2% at VIN = 13.5 V, IPA_BUS = 2.4 A and IPB_BUS = 2.4 A
    • 18-mΩ/10-mΩ low RDS(ON) buck regulator MOSFETs
    • Operating voltage range: 5.5 V to 26 V, withstand 36-V input
    • Adjustable frequency: 200 kHz to 800 kHz (TPS25865-Q1)
    • Adjustable frequency: 200 kHz to 3 MHz (TPS25864-Q1)
    • FPWM with spread-spectrum dithering
    • Selectable output voltage: 5.1 V, 5.17 V, 5.3 V, 5.4 V
  • Internal power path:
    • 7-mΩ/7-mΩ low RDS(ON) internal USB power MOSFETs
    • Current limit for USB ports with high accuracy: ±10% at 2.73 A
    • OUT: 5.1 V, 200-mA supply for auxiliary loads
  • Line drop compensation: 90 mV at 2.4-A load
  • Compliant to USB-IF standards
    • Automatic DCP modes:
      • Shorted mode per BC1.2 and YD/T 1591 2009
      • 1.2-V mode
      • 2.7-V Divider 3 mode
  • Load shedding versus programmable TA
  • Device TJ range: –40°C to +150°C
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: TA range –40°C to +125°C
    • HBM ESD classification level H2
    • CDM ESD classification level C5
  • Optimized for ultra-low EMI requirements:
    • Meets CISPR25 class 5 standard
    • HotRod™ package minimizes switch node ringing
    • Spread spectrum reduces peak emissions
  • Synchronous buck regulator
    • High efficiency at 400 kHz: 95.2% at VIN = 13.5 V, IPA_BUS = 2.4 A and IPB_BUS = 2.4 A
    • 18-mΩ/10-mΩ low RDS(ON) buck regulator MOSFETs
    • Operating voltage range: 5.5 V to 26 V, withstand 36-V input
    • Adjustable frequency: 200 kHz to 800 kHz (TPS25865-Q1)
    • Adjustable frequency: 200 kHz to 3 MHz (TPS25864-Q1)
    • FPWM with spread-spectrum dithering
    • Selectable output voltage: 5.1 V, 5.17 V, 5.3 V, 5.4 V
  • Internal power path:
    • 7-mΩ/7-mΩ low RDS(ON) internal USB power MOSFETs
    • Current limit for USB ports with high accuracy: ±10% at 2.73 A
    • OUT: 5.1 V, 200-mA supply for auxiliary loads
  • Line drop compensation: 90 mV at 2.4-A load
  • Compliant to USB-IF standards
    • Automatic DCP modes:
      • Shorted mode per BC1.2 and YD/T 1591 2009
      • 1.2-V mode
      • 2.7-V Divider 3 mode
  • Load shedding versus programmable TA
  • Device TJ range: –40°C to +150°C

The TPS2586x-Q1 is an integrated USB charging port solution, which includes a synchronous, high efficiency DC/DC converter and integrated detection and control for implementing USB Battery Charging 1.2 in dual Type-A ports.

The TPS2586x-Q1 is a highly-integrated USB Type-A charging controller for dual-USB ports application.

The TPS2586x-Q1 integrates a monolithic, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs and two USB current-limit switches with charging port auto-detection. The TPS2586x-Q1 offers a compact solution with excellent load and line regulation over a wide input supply range. The synchronous buck regulator operates with peak-current mode control and is internally compensated to simplify the design. For TPS25865-Q1, a resistor on the FREQ pin sets the switching frequency between 200 kHz and 800 kHz. For TPS25864-Q1, a resistor on the FREQ pin sets the switching frequency between 200 kHz and 3 MHz. Operating below 400 kHz results in better system efficiency and operation above 2.1 MHz avoids the AM radio bands and allows for use of a smaller inductor.

The TPS2586x-Q1 integrates standard battery charging (Rev. 1.2) and provides the required electrical signatures necessary for USB Type-A devices which use USB data line signaling to determine USB port current sourcing capabilities. The TPS2586x-Q1 also has integrated an OUT power switch that can provide maximum 200-mA current for auxiliary loads. The device is especially suitable for dual-port application due to the high system integration and small footprint. The device is especially suitable for dual-port application due to the high system integration and small footprint.

The TPS2586x-Q1 supports intelligent thermal management. The USB output voltage can be regulated according to the temperature sensing through the TS pin. The TPS2586x-Q1 must connect a NTC thermistor on the TS pin to monitor the ambient temperature or PCB boar temperature, depending on where the NTC thermistor is put in the USB charging module or PCB board. Select a different NTC thermistor and bottom-side series resistor can change the temperature threshold for load shedding.

The TPS2586x-Q1 have four selectable USB output voltage settings: 5.1 V, 5.17 V, 5.3 V, and 5.4 V. The TPS2586x-Q1 integrates a precision current sense amplifier for cable droop compensation and USB ports current limit. The cable compensation is only available when the output voltage is set to 5.17 V. The cable compensation voltage is 90 mV at 2.4-A output current. Cable compensation aids portable devices in charging at optimum current and voltage under heavy loads by changing the buck regulator output voltage linearly with load current to counteract the voltage drop due to wire resistance in automotive cabling. The BUS voltage measured at a connected portable device remains approximately constant, regardless of load current, allowing the battery charger of the portable device to work optimally.

The TPS2586x-Q1 provides various safety features for USB charging and system operations, including external negative thermistor monitoring, cycle-by-cycle current limit, hiccup short-circuit protection, undervoltage lockout, BUS overcurrent, OUT overcurrent, and die overtemperature protection.

The device family is available in a 25-pin, 3.5 mm × 4.5 mm QFN package.

The TPS2586x-Q1 is an integrated USB charging port solution, which includes a synchronous, high efficiency DC/DC converter and integrated detection and control for implementing USB Battery Charging 1.2 in dual Type-A ports.

The TPS2586x-Q1 is a highly-integrated USB Type-A charging controller for dual-USB ports application.

The TPS2586x-Q1 integrates a monolithic, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs and two USB current-limit switches with charging port auto-detection. The TPS2586x-Q1 offers a compact solution with excellent load and line regulation over a wide input supply range. The synchronous buck regulator operates with peak-current mode control and is internally compensated to simplify the design. For TPS25865-Q1, a resistor on the FREQ pin sets the switching frequency between 200 kHz and 800 kHz. For TPS25864-Q1, a resistor on the FREQ pin sets the switching frequency between 200 kHz and 3 MHz. Operating below 400 kHz results in better system efficiency and operation above 2.1 MHz avoids the AM radio bands and allows for use of a smaller inductor.

The TPS2586x-Q1 integrates standard battery charging (Rev. 1.2) and provides the required electrical signatures necessary for USB Type-A devices which use USB data line signaling to determine USB port current sourcing capabilities. The TPS2586x-Q1 also has integrated an OUT power switch that can provide maximum 200-mA current for auxiliary loads. The device is especially suitable for dual-port application due to the high system integration and small footprint. The device is especially suitable for dual-port application due to the high system integration and small footprint.

The TPS2586x-Q1 supports intelligent thermal management. The USB output voltage can be regulated according to the temperature sensing through the TS pin. The TPS2586x-Q1 must connect a NTC thermistor on the TS pin to monitor the ambient temperature or PCB boar temperature, depending on where the NTC thermistor is put in the USB charging module or PCB board. Select a different NTC thermistor and bottom-side series resistor can change the temperature threshold for load shedding.

The TPS2586x-Q1 have four selectable USB output voltage settings: 5.1 V, 5.17 V, 5.3 V, and 5.4 V. The TPS2586x-Q1 integrates a precision current sense amplifier for cable droop compensation and USB ports current limit. The cable compensation is only available when the output voltage is set to 5.17 V. The cable compensation voltage is 90 mV at 2.4-A output current. Cable compensation aids portable devices in charging at optimum current and voltage under heavy loads by changing the buck regulator output voltage linearly with load current to counteract the voltage drop due to wire resistance in automotive cabling. The BUS voltage measured at a connected portable device remains approximately constant, regardless of load current, allowing the battery charger of the portable device to work optimally.

The TPS2586x-Q1 provides various safety features for USB charging and system operations, including external negative thermistor monitoring, cycle-by-cycle current limit, hiccup short-circuit protection, undervoltage lockout, BUS overcurrent, OUT overcurrent, and die overtemperature protection.

The device family is available in a 25-pin, 3.5 mm × 4.5 mm QFN package.

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Technical documentation

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Type Title Date
* Data sheet TPS25864-Q1 and TPS25865-Q1 Low EMI Dual USB Type-A Charging Ports Converter With Thermal Management and Cable Compensation datasheet (Rev. B) 27 Sep 2021
Technical article 3 quiescent-current (Iq) specifications you need to understand 12 Nov 2021
Functional safety information TPS25865-Q1 Functional Safety FIT Rate and Failure Mode Distribution 30 Apr 2021
User guide TPS25865-Q1 Evaluation Module 13 Oct 2020

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS25865Q1EVM-141 — TPS25865-Q1 dual 3-A USB Type-A charging ports controller evaluation module

The TPS25865-Q1 is an integrated USB charging port solution which includes a synchronous DC/DC converter capable of supplying up to 6.6 A and integrated detection and control for implementing USB Battery Charging 1.2 and Type-A ports.

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VQFN-HR (RPQ) 25 View options

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