Overview
The MCZ33999EKR2, produced by Freescale Semiconductor (now part of NXP Semiconductors), is a 16-output low-side switch integrated circuit. It is designed to control a variety of loads, including inductive and incandescent types. The device features a 24-bit serial input control via SPI (Serial Peripheral Interface) and PWM (Pulse Width Modulation) capabilities, making it versatile for various applications.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Voltage (VPWR) | 5.0 | - | 27 | V |
| Operating Temperature | -65 | - | 125 | °C |
| Output Slew Rate (RL = 60 Ω) | 1.0 | 2.0 | 10 | V/μs |
| Output Turn ON Delay Time | 1.0 | 2.0 | 10 | μs |
| Output Turn OFF Delay Time | 1.0 | 2.0 | 10 | μs |
| Serial Input (SI) Bits | - | - | 24 | bits |
| Undervoltage Threshold (SOPWR) | 2.0 | - | 3.0 | V |
| Undervoltage Threshold (VPWR) | 3.2 | - | 3.5 | V |
Key Features
- 24-bit Serial Input Control: The device uses SPI for input control, allowing for precise and flexible control over the 16 outputs.
- PWM Capability: Supports Pulse Width Modulation for dynamic control of loads.
- Low-Side Switches: Each output is a low-side switch, suitable for controlling inductive and incandescent loads.
- Fault Reporting: The device reports fault status via the Serial Output (SO) pin, including overvoltage and undervoltage conditions.
- Internal Voltage Clamp: Each output has an internal voltage clamp to limit the drain-to-source voltage to 50 V for transient protection.
- Power Management: Features sleep and operational modes to manage power consumption effectively.
- Daisy Chain Capability: Multiple devices can be controlled in parallel using the SPI interface.
Applications
The MCZ33999EKR2 is suitable for a wide range of applications, including:
- Automotive Systems: For controlling various loads such as headlights, wipers, and other accessories.
- Industrial Control Systems: For managing motors, solenoids, and other inductive loads.
- Consumer Electronics: For controlling LED lighting, fans, and other devices.
- Aerospace and Defense: For reliable control in harsh environments.
Q & A
- What is the operating voltage range of the MCZ33999EKR2?
The operating voltage range is from 5.0 V to 27 V. - How many outputs does the MCZ33999EKR2 have?
The device has 16 low-side output switches. - What is the purpose of the Serial Input (SI) pin?
The SI pin is used to enter serial instructions into the device via SPI. - How does the device report fault status?
The device reports fault status via the Serial Output (SO) pin. - What is the function of the internal voltage clamp?
The internal voltage clamp limits the drain-to-source voltage to 50 V for transient protection. - Can multiple MCZ33999EKR2 devices be controlled in parallel?
Yes, multiple devices can be controlled in parallel using the SPI interface. - What are the undervoltage thresholds for SOPWR and VPWR?
The undervoltage threshold for SOPWR is between 2.0 V and 3.0 V, and for VPWR it is between 3.2 V and 3.5 V. - What is the operating temperature range of the MCZ33999EKR2?
The operating temperature range is from -65°C to 125°C. - Does the device support PWM control?
Yes, the device supports Pulse Width Modulation (PWM) control. - How many bits are required for the serial input control?
The serial input control requires 24 bits.
