Overview
The NLVPCA9535EDTR2G is a 16-bit low-power I/O expander produced by onsemi. This device provides GPIO expansion through the I2C bus or SMBus, making it an ideal component for systems requiring additional I/O ports. It operates within a broad voltage range of 1.65V to 5.5V, ensuring compatibility with various system designs. The device is packaged in a 24-pin TSSOP, which facilitates easy integration into existing systems due to its compact size and minimal pin count.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Manufacturer | onsemi | - |
| Part Number | NLVPCA9535EDTR2G | - |
| Package | TSSOP-24 | - |
| Number of I/Os | 16 I/O | - |
| Supply Voltage | 1.65 V to 5.5 V | - |
| Maximum Clock Frequency | 100 kHz | - |
| Operating Temperature Range | -55°C to +125°C | - |
| Storage Temperature Range | -65°C to +150°C | - |
| Interrupt Output | With Interrupt | - |
| Qualification | AEC-Q100 | - |
| ESD Protection | 3 kV | - |
Key Features
- Slave Select Input for Multiple Devices: Allows up to 64 devices to share the same I2C/SMBus.
- Data Latch and Shift Register with Three-State Outputs: Enhances data handling and output control.
- Persistent Disable Feature for Bus Hold: Ensures stable bus operation.
- Sleep Mode with Fast Wake-Up and Low Power: Reduces power consumption in standby mode.
- Programmable Slew Rate Control and Rise Time: Customizable output transition times.
- High-Speed, Low-Glitch Data Transmission: Ensures reliable and efficient data transfer.
- Active LOW Interrupt Output: Indicates changes in input state to the system master.
- 5.5 V Tolerant I/Os: Supports a wide range of input/output voltages.
- Polarity Inversion Register: Allows for flexible configuration of output polarity.
Applications
- Precision Engineering: Ideal for applications requiring precise control over I/O operations.
- Automotive Systems: Qualified under AEC-Q100, making it suitable for automotive applications.
- Industrial Automation: Used in systems that require reliable and efficient I/O expansion.
- Consumer Electronics: Enhances the functionality of consumer devices by providing additional I/O ports.
Q & A
- Q: What is the operating voltage range of the NLVPCA9535EDTR2G?
A: The operating voltage range is from 1.65V to 5.5V.
- Q: How many I/O ports does the NLVPCA9535EDTR2G provide?
A: It provides 16 bits of general-purpose parallel input/output (GPIO) expansion.
- Q: What is the maximum clock frequency supported by the NLVPCA9535EDTR2G?
A: The maximum clock frequency is 100 kHz.
- Q: Does the NLVPCA9535EDTR2G support multiple devices on the same I2C/SMBus?
A: Yes, it supports up to 64 devices on the same I2C/SMBus using three hardware pins (AD0, AD1, AD2) for address configuration.
- Q: What is the purpose of the interrupt output on the NLVPCA9535EDTR2G?
A: The interrupt output is used to indicate to the system master that an input state has changed.
- Q: What are the key features of the NLVPCA9535EDTR2G related to power consumption?
A: It includes a sleep mode with fast wake-up and low power consumption, reducing standby current.
- Q: Is the NLVPCA9535EDTR2G qualified for automotive use?
A: Yes, it is qualified under AEC-Q100, making it suitable for automotive applications.
- Q: What is the storage temperature range for the NLVPCA9535EDTR2G?
A: The storage temperature range is from -65°C to +150°C.
- Q: Does the NLVPCA9535EDTR2G have ESD protection?
A: Yes, it has 3 kV ESD protection.
- Q: Where can I find detailed information about the NLVPCA9535EDTR2G, such as application notes and datasheets?
A: You can find detailed information on the onsemi website, or through distributors like LCSC, Mouser, and Ovaga Technologies.
