SY87701VHH Allicdata Electronics

SY87701VHH Integrated Circuits (ICs)

Allicdata Part #:

576-2060-ND

Manufacturer Part#:

SY87701VHH

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Microchip Technology
Short Description: IC CLOCK/DATA RECOVERY 32-TQFP
More Detail: N/A
DataSheet: SY87701VHH datasheetSY87701VHH Datasheet/PDF
Quantity: 1000
Stock 1000Can Ship Immediately
Specifications
Ratio - Input:Output: 3:3
Base Part Number: SY87701
Supplier Device Package: 32-TQFP-EP (7x7)
Package / Case: 32-TQFP Exposed Pad
Mounting Type: Surface Mount
Operating Temperature: 0°C ~ 85°C
Voltage - Supply: 3.15 V ~ 5.25 V
Frequency - Max: 1.25Gbps
Differential - Input:Output: Yes/Yes
Series: AnyRate®
Number of Circuits: 1
Output: PECL
Input: PECL, TTL
Main Purpose: Ethernet, SONET/SDH, ATM applications
PLL: Yes
Part Status: Obsolete
Packaging: Tray 
Description

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Clock/Timing - Application Specific is a specialized area of clocks and timing designed specifically for use in a certain application or industry. The SY87701VHH is one such device specifically developed for use in resonant half bridge topologies. The device offers various features for these applications and its working principle will be discussed below.

SY87701VHH Applications

The SY87701VHH is a high performance, low power, and cost effective half bridge driver IC for resonant topologies, ranging from 100kHz to 1MHz. It is suitable for applications such as:

  • Reactor current feedback circuits
  • EV traction motor controllers
  • Solar driver circuit
  • RFID tag reader circuit
  • E-meter driver circuit
  • E-bike drives
  • VVC systems

The features that make the SY87701VHH suitable for these applications are as follows:

  • High switching frequency up to 1MHz
  • Integrated gate driver with wide voltage range
  • Ability to reduce FM noise
  • DED function to protect the SY87701VHH from over-current and over-voltage conditions
  • External OSC and slow turn-off for noise reduction
  • High integration and low power consumption

SY87701VHH Working Principle

The SY87701VHH operates with a PWM mode. It uses an oscillator to generate a pulse with modulated frequency. The PWM output is used to control the switching of the gate driver MOSFETs. A saw tooth oscillation signal is used to modulate the PWM signal so that the resonant driver can control the operation of the device.

The SY87701VHH is equipped with both an external OSC pin and a slow turn-off pin. The external OSC pin is used for adjusting the switching frequency, and the slow turn-off pin can be used to reduce the noise generated by the off-state of the driver. The external OSC pin has short-circuit protection and requires an external resistor to adjust the frequency.

The SY87701VHH also has a Dedicated Enable pin to enable or disable the SY87701VHH. When the SY87701VHH is enabled, the Dedicate Enable pin will pull up and activate the driver. When the SY87701VHH is disabled, the Dedicate Enable pin will pull down and disable the driver.

The SY87701VHH features an integrated detection circuit called the Dead-Time Protection (DTP). This feature will force the output of the driver high and low simultaneously when the SY87701VHH is detected in an over current or over voltage situation. The DTP circuit also monitors the voltage and current of the SY87701VHH to protect it from any sudden change in the environment.

The SY87701VHH is also equipped with a Built-in-Test (BIT) feature, which allows users to detect any mishaps or faults in the SY87701VHH\'s operations. The BIT feature monitors the temperature, voltage, current and switching status of the device and reports any abnormalities that might occur.

Conclusion

The SY87701VHH is designed for resonant half bridge topologies and offers various features that make it suitable for these applications. It also has a high switching frequency up to 1MHz, a Dedicated Enable pin, and an integrated gate driver. The Dead-time Protection and Built-in-Test features add an extra layer of protection and reliability. The SY87701VHH is a cost effective and low power device that can help enhance the performance of the applications it is designed for.

The specific data is subject to PDF, and the above content is for reference

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