ZDT1048TA Discrete Semiconductor Products

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ZDT1048TA Application Field and Working Principle

ZDT1048TA (Transistors - Bipolar (BJT) - Arrays) is a digital-controlled analog driver IC. It uses high-end power technologies to achieve high current driving capabilities and excellent thermal stability. This device is suitable for controlling the current in electric motors, valve actuators, and electric power steering systems used in consumer and automotive electronics.

Working Principle

The ZDT1048TA includes an array of short channel PNP and NPN transistors as well as high-voltage protection. It can provide up to 2.5A of a continuous drive output current and support up to ±60V differential voltage. Its low propagation delay and load resistance allow fast switching and high efficiency. The integrated circuitry features a logic high supply voltage range of 4.5V to 12V, providing a wide range of operating supply voltages.

The IC features two offset currents: one set of output current is independent of supply voltage and a second set of output current is directly proportional to the supply voltage. Both sets of current can be configured using the appropriate control input pins. The first set of output current is adjusted using a reference voltage, providing a precise control of the current. The second set of output current can be adjusted directly with the supply voltage.

The internal circuitry also includes an array of low-side gate driver circuits that protect the devices from high current overloading. The device features an internal logic block to monitor the output current and enable the device operation. This logic block can be enabled or disabled by appropriate control signals to enable or disable device operation.

The ZDT1048TA also features built-in ESD protection and thermal shutdown protection. These advanced features provide a robust and reliable solution for driving high current loads in automotive and consumer electronics applications.

Conclusion

The ZDT1048TA is a highly integrated IC for driving high current loads in consumer and automotive electronics. It is an ideal choice for applications such as electric motors, valve actuators, and electric power steering systems. The device features an array of short channel PNP and NPN transistors as well as high-voltage protection for robust and reliable operation. It also includes built-in ESD protection and thermal shutdown protection. The ZDT1048TA is an excellent choice for applications requiring high current driving capabilities and excellent thermal stability.

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