Data Sheet Rev. 04

Overview

Features and Benefits

  • Minimized Voltage Drop on Bus Line Due to Industry- Leading RDS(ON) Helps Meet USB Voltage Specifications at Device Connector
    • Current-Limited 31mΩ (typ) BUS Switch with High- Capacitive Load Capability
  • Robust Overvoltage and ESD Protection for Automotive Environment Saves on External Protection Components
    • Short-to-Battery and Short-to-GND Protection on Protected HVBUS Output
    • Short-to-Battery and Short-to-HVBUS Protection on Protected HVD+ and HVD- Outputs
    • Two 4.0Ω (typ) RON USB 2.0 Data Switches
    • Integrated Overcurrent and Short-Circuit Autoretry
    • High ESD Protection (HVD+, HVD-, HVBUS)
      • ± 15kV Human Body Model
      • ± 15kV IEC 61000-4-2 Air Gap
      • ± 8kV IEC 61000-4-2 Contact
    • 20ms Fault-Blanking Timeout Period
  • Automatic Transitioning of Charge Modes Through Intelligent State Machine for Seamless Device Integration
    • Integrated Apple iPhone 1.0A Dedicated Charging Mode
    • Integrated Apple iPad 2.1A Dedicated Charging Mode
    • USB-IF BC1.2 Charging Downstream Port (CDP) and Dedicated Charging Port (DCP) Modes
    • Chinese Telecommunication Industry-Standard YD/T 1591-209
    • USB On-The-Go (OTG) Support
  • Drop-In Pin Compatibility with MAX16919/MAX16969 in 16-Pin QSOP Package
  • AEC-Q100 Qualified

Product Details

The MAX16970/MAX16971 provide high-ESD and short-circuit protection for the low-voltage internal USB data and USB power line in automotive radio, navigation, connectivity, and USB hub applications. The devices support both Hi-Speed USB (480Mbps) and full-speed USB (12Mbps) operation. In addition, the devices also include integrated circuitry to enable fast-charging for consumer devices adhering to either the Apple method or the Hi-Speed USB host-charger port-detection protocol and support USB On-The-Go (OTG).

The short-circuit protection features include short-to-battery on the protected HVBUS, HVD+, and HVD- outputs, as well as short-to-HVBUS on the protected HVD+ and HVD- outputs. The devices are capable of a short-to-battery condition of up to +18V. Short-to-GND and overcurrent protection are also provided on the HVBUS output to protect the internal BUS power rail from overcurrent faults.

Each device features high-ESD protection to ±15kV Air Gap method and ±8kV Contact method on all protected HVBUS, HVD+, and HVD- outputs.

Each device features two low 4.0Ω on-resistance Hi-Speed USB switches, a current-limited low-voltage 31mΩ BUS switch, and provides an integrated high-voltage external power-switch controller. The BUS switch can start up into large capacitive noncompliant USB loads. The devices also feature an enable input, a fault output, integrated Apple iPhone®/iPad® fast-charging termination resistors, and an integrated host-charger port-detection circuit adhering to the USB 2.0 battery charging specification version 1.2.

The devices are available in 16-pin QSOP and 16-pin (4mm × 4mm) TQFN packages and operate over the -40°C to +105°C temperature range. The MAX16970GEEA/V+ and MAX16971GEEA/V+ are drop-in compatible with MAX16969DGEE/V+ and MAX16969BGEE/V+, respectively. 

Applications

  • Automotive Connectivity
  • Automotive Radio and Navigation
  • Telematics
  • USB Hub

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