PCA9515D,118
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NXP USA Inc. PCA9515D,118

Manufacturer No:
PCA9515D,118
Manufacturer:
NXP USA Inc.
Package:
Bulk
Description:
BUFFER, REDRIVER 1 CHANNEL 400KH
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The PCA9515D,118 is a BiCMOS integrated circuit designed by NXP USA Inc. for use in I²C-bus and SMBus systems. This component is intended to extend the capabilities of I²C-bus systems by buffering both the data (SDA) and clock (SCL) lines, thereby enabling the connection of more devices or the extension of bus lengths. Although the PCA9515D is no longer manufactured, it remains relevant for existing designs and legacy systems.

Key Specifications

ParameterConditionsMinTypMaxUnit
VCC supply voltage3.03.33.6V
HIGH-level supply currentVCC = 3.6 V; SDAn = SCLn = VCC5mA
LOW-level supply currentVCC = 3.6 V; one SDA and one SCL = GND5mA
Clock frequency0 Hz400 kHz
I²C-bus capacitance400 pF
Package typesSO8, TSSOP8 (MSOP8)
ESD protection2000 V HBM, 200 V MM, 1000 V CDM

Key Features

  • Bidirectional buffer for I²C-bus and SMBus systems
  • Supports Standard-mode and Fast-mode I²C-bus devices and multiple masters
  • Lock-up free operation with arbitration and clock stretching across the repeater
  • Active HIGH repeater enable input
  • Open-drain input/outputs
  • Powered-off high-impedance I²C-bus pins
  • 5.5 V tolerant I²C-bus (SCLn, SDAn) and enable (EN) pins

Applications

The PCA9515D is suitable for various applications where I²C-bus or SMBus systems need to be extended or segmented. This includes:

  • Extending I²C-bus lengths to accommodate more devices or longer cable runs
  • Isolating different segments of an I²C-bus to prevent bus loading issues
  • Mixing different voltage levels (e.g., 3.3 V and 5 V) on different segments of the bus
  • Supporting mixed-speed buses (e.g., 100 kHz and 400 kHz)

Q & A

  1. What is the primary function of the PCA9515D?
    The PCA9515D is an I²C-bus repeater designed to extend the capabilities of I²C-bus systems by buffering both the data and clock lines.
  2. What are the supported I²C-bus modes?
    The PCA9515D supports both Standard-mode and Fast-mode I²C-bus devices.
  3. What is the maximum clock frequency supported by the PCA9515D?
    The maximum clock frequency supported is 400 kHz.
  4. What are the package options for the PCA9515D?
    The PCA9515D is available in SO8 and TSSOP8 (MSOP8) packages.
  5. Does the PCA9515D provide ESD protection?
    Yes, it provides ESD protection exceeding 2000 V HBM, 200 V MM, and 1000 V CDM.
  6. Can the PCA9515D handle mixed voltage levels on the bus?
    Yes, it can handle mixed voltage levels, such as 3.3 V and 5 V, on different segments of the bus.
  7. Is the PCA9515D still in production?
    No, the PCA9515D is no longer manufactured but can still be used in existing designs and legacy systems.
  8. What is the significance of the 'A' version (PCA9515A) of this component?
    The PCA9515A has a wider voltage range (2.3 V to 3.6 V) and is recommended for applications where power is secured to the repeater but an active bus remains on either set of SCLn/SDAn pins.
  9. How does the PCA9515D prevent lock-up conditions?
    The PCA9515D prevents lock-up conditions by setting the output pull-down and input threshold of each internal buffer to prevent lock-up from occurring.
  10. Can the PCA9515D be used in series with other I²C-bus repeaters?
    The PCA9515 cannot be used in series with certain other repeaters like PCA9510A/9511A/9513A/9514A but can be used in series with itself and other compatible repeaters.

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:6 pF
Voltage - Supply:3V ~ 3.6V
Current - Supply:2.3mA
Operating Temperature:-40°C ~ 85°C
Mounting Type:Surface Mount
Package / Case:8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:8-SO
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Part Number PCA9515D,118 PCA9517D,118 PCA9515DP,118 PCA9525D,118 PCA9516D,118 PCA9510D,118 PCA9511D,118 PCA9512D,118 PCA9513D,118 PCA9514D,118 PCA9515AD,118 PCA9515D,112
Manufacturer NXP USA Inc. NXP USA Inc. NXP USA Inc. NXP USA Inc. NXP USA Inc. NXP USA Inc. NXP USA Inc. NXP USA Inc. NXP USA Inc. NXP USA Inc. NXP USA Inc. NXP USA Inc.
Product Status Obsolete Active Active Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Active Obsolete
Type Buffer, ReDriver Buffer, ReDriver Buffer, ReDriver Buffer, ReDriver Buffer, ReDriver Buffer, ReDriver Buffer, Accelerator Buffer, Accelerator Buffer, Accelerator Buffer, Accelerator Buffer, ReDriver Buffer, ReDriver
Applications I²C I²C I²C I²C I²C I²C - Hotswap I²C - Hotswap I²C - Hotswap I²C - Hotswap I²C - Hotswap I²C I²C
Input 2-Wire Bus 2-Wire Bus 2-Wire Bus 2-Wire Bus 2-Wire Bus 2-Wire Bus 2-Wire Bus 2-Wire Bus 2-Wire Bus 2-Wire Bus 2-Wire Bus 2-Wire Bus
Output 2-Wire Bus 2-Wire Bus 2-Wire Bus 2-Wire Bus 2-Wire Bus 2-Wire Bus 2-Wire Bus 2-Wire Bus 2-Wire Bus 2-Wire Bus 2-Wire Bus 2-Wire Bus
Data Rate (Max) 400kHz 400kHz 400kHz 400kHz 400kHz 400kHz 400kHz 400kHz 400kHz 400kHz 400kHz 400kHz
Number of Channels 1 2 1 1 5 1 1 1 1 1 1 1
Delay Time - - - - - - - - - - - -
Signal Conditioning - - - - - - - - - - - -
Capacitance - Input 6 pF 6 pF 6 pF - 6 pF 10 pF 10 pF 10 pF 10 pF 10 pF 6 pF 6 pF
Voltage - Supply 3V ~ 3.6V 2.7V ~ 5.5V 3V ~ 3.6V 2.7V ~ 5.5V 3V ~ 3.6V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.3V ~ 3.6V 3V ~ 3.6V
Current - Supply 2.3mA 5mA 2.3mA 170µA 5mA 2.8mA 6mA 1.8mA 2.8mA 2.8mA 800µA 2.3mA
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-SOIC (0.154", 3.90mm Width) 16-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SO 8-SO 8-TSSOP 8-SO 16-SO 8-SO 8-SO 8-SO 8-SO 8-SO 8-SO 8-SO

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