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USB Type-C® and SDP/CDP charge port converter with short to BATT protection and MFi functionality

TPS25830A-Q1

ACTIVE

Product details

Parameters

Function Type-C, USB2, USB3 Type CC controller, DC/DC converter Power role Source Alternate mode No Data role DFP Internal power path 5 V 3 A Rating Automotive Dead battery support No Operating temperature range (C) -40 to 125 open-in-new Find other USB Type-C & USB Power Delivery ICs

Package | Pins | Size

VQFN (RHB) 32 25 mm² 5 x 5 open-in-new Find other USB Type-C & USB Power Delivery ICs

Features

  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
    • HBM ESD classification level H2
    • CDM ESD classification level C5
  • Synchronous buck DC/DC regulator
    • Input voltage range: 4.5 V to 36 V
    • Output current: 3.5 A
    • 5.1-V output voltage with ±1% accuracy
    • Current mode control
    • Adjustable frequency: 300 kHz to 2.2 MHz
    • Frequency synchronization to external clock
    • FPWM with spread-spectrum dithering
    • Internal compensation for ease of use
  • Compliant to USB-IF standards
    • USB Type-C rev 1.3
      • CC logic, VCONN source and discharge
      • USB cable polarity detection (POL)
    • CDP/SDP mode per USB BC1.2
    • MFI over-current limit compliant
  • Optimized for USB power and communication
    • User-programmable USB current limit
    • Cable droop compensation up to 1.5 V
    • High bandwidth data switches on DP and DM
    • Client mode for USB firmware update
  • Integrated protection
    • VBUS short-to-VBAT protection
    • DP_IN, DM_IN, CCx short-to-VBAT (TPS25830A-Q1 only)
    • DP_IN, DM_IN, CCx short-to-VBUS
    • DP_IN, DM_IN, CCx IEC 61000-4-2 rated
      • ±8-kV contact and ±15-kV air discharge
  • Fault flag reports
  • 32-pin QFN package with wettable flank

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Description

The TPS2583xA-Q1 is a USB Type-C and BC1.2 charging port controller that includes a synchronous DC/DC converter. With cable droop compensation, the VBUS voltage remains constant regardless of load current, ensuring connected portable devices are charged at optimal current and voltage.

The TPS2583xA-Q1 includes high bandwidth analog switches for DP and DM pass-through.

The TPS25830A-Q1 also integrates short to battery protection on VBUS, CC1, CC2, DM_IN and DP_IN pins (up to 18-V support). The TPS25832A-Q1 does not support data line (CC and Dx) short to VBAT protection.

The synchronous buck regulator operates with current mode control and is internally compensated to simplify design. A resistor on the RT pin sets the switching frequency between 300 kHz and 2.2 MHz. Operating below 400 kHz results in better system efficiency. Operation above 2.1 MHz avoids the AM radio bands and allows for use of a smaller inductor.

The TPS2583xA-Q1 integrates standard USB Type-C port controller functionality including Configuration Channel (CC) logic for 3-A and 1.5-A current advertisement. Battery Charging (Rev. 1.2) integration provides the required electrical signatures necessary for non-Type-C, legacy USB devices which use USB data line signaling to determine USB port current sourcing capabilities.

A precision current sense amplifier is included for user programmable cable droop compensation and current limit tuning. 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 VBUS voltage measured at a connected portable device remains approximately constant, regardless of load current, allowing the portable device’s battery charger to work optimally.

The USB specifications require current limiting of USB charging ports, but give system designers reasonable flexibility to choose overcurrent protection levels based on system requirements. The TPS2583xA-Q1 uses a novel two-threshold current limit circuit allowing system designers to either program average current limit protection of the buck regulator, or optionally, current limit using an external NMOS between the CSN/OUT and BUS pins. The NFET implementation enables the TPS2583xA-Q1 buck regulator to supply a 5-V output for other loads during an overcurrent fault condition on the USB port. Also, the current limit methodology TPS2583xA-Q1 use can meet latest MFI requirement.

TPS2583xA-Q1 Integrated protection features include cycle-by-cycle current limit, hiccup short-circuit protection, undervoltage lockout, VBUS overvoltage and overcurrent, CC overvoltage and overcurrent, data line (Dx ) short to VBUS and VBAT, and die overtemperature protection.

The TPS25830A-Q1 includes high bandwidth analog switches for DP and DM pass-through, and support data line (Dx and CC) short to VBAT protection. The TPS25832A-Q1 does not support data line (Dx and CC) short to VBAT protection.

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Technical documentation

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Type Title Date
* Data sheet TPS2583xA-Q1 USB Type-C® and BC1.2 5-V 3.5-A Output, 36-V Input Synchronous Step-Down DC/DC Regulator with Cable Compensation datasheet May 19, 2021
User guide TPS2583xA-Q1 Evaluation Module May 11, 2021

Design & development

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Hardware development

EVALUATION BOARD Download
document-generic User guide
75
Description
The TPS2583XAQ1EVM-147 is an evaluation module (EVM) for TI's TPS2583xA-Q1 USB Type-C® and BC1.2 5-V, 3.5-A output and 36-V input synchronous buck with cable compensation.
Features
  • 6-V to 36-V input range, 3.5-A continuous output current buck converter
  • CC1, CC2, D+ and D- short-to-VBAT, and VBUS protection
  • Fully AEC-Q100 qualified
  • ±8% current sense accuracy (IOUT > 1.5 A) for precision cable droop compensation
  • USB battery charging specification rev. 1.2 and USB Type-C rev. 1.3 (...)

Design tools & simulation

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  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
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TINA-TI TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
document-generic User guide

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Package Pins Download
VQFN (RHB) 32 View options

Ordering & quality

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