PCA9515APWG4
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Texas Instruments PCA9515APWG4

Manufacturer No:
PCA9515APWG4
Manufacturer:
Texas Instruments
Package:
Bulk
Description:
IC REDRIVER I2C 1CH 8TSSOP
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Product Introduction

Overview

The PCA9515APWG4, manufactured by Texas Instruments, is a specialized interface circuit designed for I²C bus and SMBus system applications. This BiCMOS integrated circuit features two identical bidirectional open-drain buffer circuits, enabling the extension of I²C and similar bus systems without compromising system performance. The PCA9515APWG4 is housed in an 8-pin TSSOP package, making it suitable for compact and efficient designs. Its primary market positioning targets applications requiring robust I²C bus communication, such as industrial automation, consumer electronics, and automotive systems. The device's unique selling points include its ability to isolate bus segments, support multiple voltage levels, and enhance system reliability by preventing bus lock-up conditions.

Key Specifications

ParameterValueUnitNotes
Supply Voltage2.3 to 3.6V
Operating Temperature-40 to 85°C
Data Rate400kbps
Package8-TSSOP
Bus Capacitance400pFMaximum per bus segment
Enable InputActive HighInternal pull-up

Key Features

  • Bidirectional I²C bus buffering for extending communication range.
  • Supports multiple voltage levels (2.3V to 3.6V).
  • High-level active enable input for bus isolation.
  • Prevents bus lock-up conditions with unique buffered low-level signaling.
  • Compact 8-pin TSSOP package for space-constrained designs.

Applications

The PCA9515APWG4 is widely used in various industries due to its robust I²C bus communication capabilities. In industrial automation, it facilitates reliable communication between controllers and sensors. In consumer electronics, it enables efficient data transfer in devices like smart home systems. Automotive applications benefit from its ability to support multiple voltage levels and isolate bus segments, ensuring reliable communication in harsh environments. Additionally, it is employed in medical devices and security systems where precise and reliable data transfer is critical.

Q & A

1. What is the operating voltage range of the PCA9515APWG4?

The PCA9515APWG4 operates within a voltage range of 2.3V to 3.6V.

2. Can the PCA9515APWG4 be used in automotive applications?

Yes, it is suitable for automotive applications due to its robust design and ability to support multiple voltage levels.

3. What is the maximum data rate supported by the PCA9515APWG4?

The device supports a maximum data rate of 400 kbps.

4. How does the PCA9515APWG4 prevent bus lock-up conditions?

It uses a unique buffered low-level signaling mechanism to prevent bus lock-up.

5. What is the purpose of the enable input on the PCA9515APWG4?

The enable input allows users to isolate bus segments, ensuring reliable communication during system initialization or fault conditions.

6. Is the PCA9515APWG4 compatible with SMBus systems?

Yes, it is designed to be compatible with both I²C and SMBus systems.

7. What is the maximum bus capacitance supported by the PCA9515APWG4?

It supports a maximum bus capacitance of 400 pF per bus segment.

8. Can multiple PCA9515APWG4 devices be cascaded?

No, cascading multiple PCA9515APWG4 devices is not recommended due to potential bus lock-up issues.

9. What is the package type of the PCA9515APWG4?

It is available in an 8-pin TSSOP package.

10. Is the PCA9515APWG4 suitable for high-temperature environments?

Yes, it operates within a temperature range of -40°C to 85°C, making it suitable for various environments.

Product Attributes

Type:Buffer, ReDriver
Applications:I²C
Input:2-Wire Bus
Output:2-Wire Bus
Data Rate (Max):400kHz
Number of Channels:1
Delay Time:- 
Signal Conditioning:- 
Capacitance - Input:7 pF
Voltage - Supply:2.3V ~ 3.6V
Current - Supply:500µA
Operating Temperature:-40°C ~ 85°C
Mounting Type:Surface Mount
Package / Case:8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:8-TSSOP
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Similar Products

Part Number PCA9515APWG4 PCA9515APWRG4
Manufacturer Texas Instruments Texas Instruments
Product Status Discontinued at Digi-Key Discontinued at Digi-Key
Type Buffer, ReDriver Buffer, ReDriver
Applications I²C I²C
Input 2-Wire Bus 2-Wire Bus
Output 2-Wire Bus 2-Wire Bus
Data Rate (Max) 400kHz 400kHz
Number of Channels 1 1
Delay Time - -
Signal Conditioning - -
Capacitance - Input 7 pF 7 pF
Voltage - Supply 2.3V ~ 3.6V 2.3V ~ 3.6V
Current - Supply 500µA 500µA
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Mounting Type Surface Mount Surface Mount
Package / Case 8-TSSOP (0.173", 4.40mm Width) 8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 8-TSSOP 8-TSSOP

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