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NCV494BDR2G
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Product Detailed Parameters
- Description：IC REG CTRLR BCK/PSH-PULL 16SOIC
- Series：SWITCHMODE™
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Transistor Driver
- Function：Step-Down, Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Buck, Push-Pull
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：7V ~ 40V
- Frequency - Switching：40kHz
- Duty Cycle (Max)：48%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Dead Time Control, Frequency Control
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Grade：-
- Qualification：-
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Overview
The NCV494BDR2G is an automotive-grade pulse width modulation control circuit manufactured by onsemi. It operates within a supply voltage range of 7 V to 40 V, with a nominal input of 15 V. The device utilizes voltage-mode control and supports push-pull topology with two outputs. It features a switching frequency of 200 kHz and a maximum duty cycle of 48%. Rated for operation between -40°C and +125°C, it is housed in a 16-lead SOIC package and holds AEC-Q100 qualification.
Feature Summary
- Automotive-grade reliability certified under AEC-Q100 standards
- Integrated pulse width modulation controller for switchmode power supplies
- Push-pull output configuration supporting dual-channel drive
Applications
- Automotive switchmode power supply control
- DC-to-DC converter systems
- Inverter applications
Procurement Notes
Verify the specific suffix DR2G confirms the SOIC-16 tape-and-reel packaging format. Confirm AEC-Q100 qualification status matches project requirements. Ensure lead-free compliance aligns with assembly specifications. Cross-reference the exact part number against official onsemi documentation to validate current production status and availability constraints.
Selection Notes
Select this component for designs requiring robust automotive power management. The wide input voltage range accommodates various automotive battery conditions. The integrated PWM architecture simplifies controller design. Verify thermal performance within the specified operating temperature range. Ensure compatibility with required switching frequencies and duty cycle limits.
Part Context
This part belongs to the NCV494 series, which are automotive versions of standard PWM controllers. It shares functional similarities with the TL494 but meets stricter automotive environmental and reliability standards. The series is designed for high-reliability power conversion applications in vehicle electronics.
Replacement Considerations
The NCV494BDR2 serves as a non-automotive equivalent. Verify pinout and electrical parameter compatibility before substitution. Check if automotive qualification is mandatory for the target application.
