Overview
The ADUM4121-1CRIZ is a high-performance, isolated gate driver IC produced by Analog Devices Inc. This device employs Analog Devices' iCoupler® technology to provide precision isolation, making it suitable for a wide range of applications requiring reliable and efficient gate driving. The ADUM4121-1CRIZ is designed to drive insulated gate bipolar transistors (IGBTs) and power MOSFETs with high accuracy and speed.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 1 | |
| Peak Output Current | 2 | A |
| Maximum Output Voltage | 35 | V |
| Minimum Output Voltage | 11.6 | V |
| Common Mode Transient Immunity (CMTI) | 150 | kV/μs |
| Miller Clamp | Yes | |
| Maximum Operating Temperature | 125 | °C |
| Minimum Operating Temperature | -40 | °C |
| Maximum Supply Voltage | 6.5 | V |
| Minimum Supply Voltage | 2.5 | V |
| Package Type | SOIC-8-wide | |
| Dielectric Insulation Voltage (Vrms) | 5000 | V |
| Propagation Delay (ns) | 38 | ns |
| Thermal Shutdown | No | |
| UnderVoltage LockOut (UVLO) | Yes |
Key Features
- Precision Isolation: The ADUM4121-1CRIZ uses iCoupler technology to provide high isolation voltage of up to 5 kV rms, ensuring reliable operation in noisy environments.
- Internal Miller Clamp: This feature reduces the risk of Miller capacitance-induced turn-on, enhancing the reliability of the gate driving operation.
- High Output Current: The device can deliver a peak output current of 2 A, making it suitable for driving high-power IGBTs and MOSFETs.
- UnderVoltage LockOut (UVLO): The ADUM4121-1CRIZ includes UVLO protection on both the primary and secondary sides to prevent malfunction at low voltage conditions.
- High CMTI: With a common mode transient immunity of 150 kV/μs, the device is robust against high-frequency noise and transients.
- Compact Package: The SOIC-8-wide package makes it suitable for space-constrained designs.
Applications
- Power Supplies: The ADUM4121-1CRIZ is ideal for use in high-power DC-DC converters and power supplies where isolation and high current driving are necessary.
- Motor Control: It is suitable for motor control applications, including industrial drives and servo motors, due to its high output current and precision isolation.
- Renewable Energy Systems: The device can be used in solar and wind power systems to drive power MOSFETs and IGBTs efficiently.
- Automotive Systems: Its robustness and high isolation make it a good fit for automotive applications, such as electric vehicle charging and battery management systems.
Q & A
- What is the peak output current of the ADUM4121-1CRIZ?
The peak output current of the ADUM4121-1CRIZ is 2 A.
- What is the maximum operating temperature of the ADUM4121-1CRIZ?
The maximum operating temperature is 125°C.
- Does the ADUM4121-1CRIZ have thermal shutdown?
No, the ADUM4121-1CRIZ does not include thermal shutdown.
- What is the common mode transient immunity (CMTI) of the ADUM4121-1CRIZ?
The CMTI is 150 kV/μs.
- What type of package does the ADUM4121-1CRIZ come in?
The device comes in an SOIC-8-wide package.
- What is the dielectric insulation voltage of the ADUM4121-1CRIZ?
The dielectric insulation voltage is 5000 Vrms.
- Does the ADUM4121-1CRIZ have under-voltage lockout (UVLO) protection?
Yes, the ADUM4121-1CRIZ includes UVLO protection on both the primary and secondary sides.
- What is the propagation delay of the ADUM4121-1CRIZ?
The propagation delay is approximately 38 ns.
- What is the minimum supply voltage required for the ADUM4121-1CRIZ?
The minimum supply voltage is 2.5 V.
- What is the maximum supply voltage for the ADUM4121-1CRIZ?
The maximum supply voltage is 6.5 V.
