Overview
The PCA9540BDP,118 is a 2-channel I2C bidirectional translating multiplexer produced by NXP USA Inc. This component is designed to control and manage multiple I2C buses, making it an essential part of complex electronic systems. It features an I2C-bus interface and supports voltage level translation between different bus voltages, enhancing system flexibility and reliability.
Key Specifications
| Attribute | Value |
|---|---|
| Interface Type | I2C |
| No of Channels | 2 |
| Clock Frequency-Max | 400 kHz |
| Supply Voltage-Nom | 2.3 V to 5.5 V |
| Supply Current | ±100 mA |
| Package Style | TSSOP-8 |
| Mounting Method | Surface Mount |
| ESD Protection | Exceeds 2000 V HBM, 200 V MM, 1000 V CDM |
Key Features
- 1-of-2 bidirectional translating multiplexer
- I2C-bus interface logic; compatible with SMBus standards
- Channel selection via I2C-bus
- Power up with all multiplexer channels deselected
- Low Ron switches
- Allows voltage level translation between 1.8 V, 2.5 V, 3.3 V, and 5 V buses
- No glitch on power-up
- Supports hot insertion
- Low standby current
- 5 V tolerant inputs
- ESD protection and latch-up testing according to JEDEC standards
Applications
The PCA9540BDP,118 is suitable for a variety of applications where multiple I2C buses need to be managed. These include:
- Embedded systems requiring multiple I2C interfaces
- Industrial automation and control systems
- Automotive systems with multiple sensor and actuator interfaces
- Consumer electronics with complex I2C bus configurations
- Medical devices requiring reliable and flexible I2C bus management
Q & A
- What is the PCA9540BDP,118?
The PCA9540BDP,118 is a 2-channel I2C bidirectional translating multiplexer produced by NXP USA Inc. - What is the maximum clock frequency of the PCA9540BDP,118?
The maximum clock frequency is 400 kHz. - What is the supply voltage range of the PCA9540BDP,118?
The supply voltage range is from 2.3 V to 5.5 V. - Does the PCA9540BDP,118 support voltage level translation?
Yes, it supports voltage level translation between 1.8 V, 2.5 V, 3.3 V, and 5 V buses. - Is the PCA9540BDP,118 suitable for hot insertion?
Yes, it supports hot insertion. - What is the package style of the PCA9540BDP,118?
The package style is TSSOP-8. - What is the mounting method of the PCA9540BDP,118?
The mounting method is surface mount. - Does the PCA9540BDP,118 have ESD protection?
Yes, it exceeds 2000 V HBM, 200 V MM, and 1000 V CDM. - Can the PCA9540BDP,118 be used in automotive systems?
Yes, it is suitable for automotive systems with multiple sensor and actuator interfaces. - Is the PCA9540BDP,118 compatible with SMBus standards?
Yes, it is compatible with SMBus standards.
