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Specifications
SKU: 7648427
Supervisor 10 Channel 48-VQFN (7x7)
| Parameter | Description | Value |
|---|---|---|
| Device | Device Name | UCD9090ARGZR |
| Package | Package Type | 48-Pin HTSSOP (PWP) |
| Operating Temperature Range | Temperature Range for Operation | -40°C to 125°C |
| Supply Voltage (VDD) | Operating Supply Voltage Range | 3.0V to 5.5V |
| Output Voltage (VOUT1-VOUT6) | Programmable Output Voltages | 0.5V to 5.5V |
| Output Current (IOUT1-IOUT6) | Maximum Continuous Output Current per Channel | 2A (with appropriate heatsinking) |
| Number of Channels | Number of Independent Power Channels | 6 |
| PWM Frequency | Adjustable PWM Frequency Range | 100kHz to 1MHz |
| Efficiency | Typical Efficiency at Full Load | Up to 95% (depends on configuration) |
| Protection Features | Integrated Protection Features | Overcurrent, Overvoltage, Undervoltage, Thermal Shutdown |
| Communication Interface | Supported Communication Protocols | I2C, PMBus |
| Control Mode | Control Modes Available | Constant Voltage (CV), Constant Current (CC) |
| Quiescent Current | Typical Quiescent Current | 1.5mA |
| Soft-Start Time | Adjustable Soft-Start Time | 0ms to 100ms |
| Fault Response | Fault Response Options | Latch-off, Auto-retry, One-shot |
| Package Size | Dimensions (L x W x H) | 7mm x 7mm x 1.4mm |
Instructions for Use
Power Supply Connection:
- Connect the VDD pin to a stable power supply within the operating voltage range (3.0V to 5.5V).
- Ensure proper decoupling capacitors are placed close to the VDD pin to maintain stability.
Output Configuration:
- Program the output voltages (VOUT1 to VOUT6) using the I2C or PMBus interface.
- Set the desired current limits for each channel to prevent overcurrent conditions.
PWM Frequency Setting:
- Adjust the PWM frequency using the I2C or PMBus commands to optimize efficiency and performance for your application.
Communication Setup:
- Initialize the I2C or PMBus communication with the device.
- Use the provided registers to configure the device parameters such as output voltages, current limits, and protection settings.
Protection Settings:
- Enable and configure the protection features (overcurrent, overvoltage, undervoltage, thermal shutdown) to ensure safe operation.
- Set the fault response mode (latch-off, auto-retry, one-shot) according to your system requirements.
Soft-Start Configuration:
- Set the soft-start time to control the inrush current during startup.
- This can be adjusted using the I2C or PMBus interface.
Thermal Management:
- Ensure adequate heatsinking or cooling is provided if operating at high currents to prevent overheating.
- Monitor the device temperature and adjust the load or cooling as necessary.
Testing and Validation:
- After configuration, test the device under various load conditions to verify correct operation.
- Validate the output voltages, currents, and protection features to ensure they meet your application requirements.
For detailed register maps and specific command sequences, refer to the UCD9090ARGZR datasheet and application notes.
(For reference only)Inquiry - UCD9090ARGZR
