MAX16971 - 3A Automotive Hi-Speed USB Protectors with Apple iPhone/iPad and USB 2.0 Charge Detection

MAX16971是Maxim美信半导体公司的一款USB产品产品，MAX16971是3A Automotive Hi-Speed USB Protectors with Apple iPhone/iPad and USB 2.0 Charge Detection，本站介绍了MAX16971的封装应用图解、特点和优点、功能等，并给出了与MAX16971相关的Maxim元器件型号供参考。

MAX16971 - 3A Automotive Hi-Speed USB Protectors with Apple iPhone/iPad and USB 2.0 Charge Detection - USB产品 - Industry's Lowest USB Power FET Resistance with Compliance to BC1.2 and Apple iPhone/iPad Charging Specifications - 美信半导体

产品概述

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.

关键特性

以下关键特性由Maxim美信半导体提供：

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

热门应用

车载联网

车载无线电与导航

远程信息处理

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