ZHCSNL9A May   2021  – December 2021 ISOW1044

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 说明（续）
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1  Absolute Maximum Ratings
    2. 8.2  ESD Ratings
    3. 8.3  Recommended Operating Conditions
    4. 8.4  ThermalInformation
    5. 8.5  Power Ratings
    6. 8.6  Insulation Specifications
    7. 8.7  Safety-Related Certifications
    8. 8.8  Safety Limiting Values
    9. 8.9  Electrical Characteristics
    10. 8.10 Supply Current Characteristics
    11. 8.11 Switching Characteristics
    12. 8.12 Insulation Characteristics Curves
    13. 8.13 Typical Characteristics
  9. 9 Parameter Measurement Information
  10. 10Detailed Description
    1. 10.1 Overview
    2. 10.2 Power Isolation
    3. 10.3 Signal Isolation
    4. 10.4 CAN Transceiver
      1. 10.4.1 Remote Wake Request via Wake-Up Pattern (WUP) in Standby Mode
    5. 10.5 Functional Block Diagram
    6. 10.6 Feature Description
      1. 10.6.1 CAN Bus States
      2. 10.6.2 Digital Inputs and Outputs: TXD (Input) and RXD (Output)
      3. 10.6.3 TXD Dominant Timeout (DTO)
      4. 10.6.4 Power-Up and Power-Down Behavior
      5. 10.6.5 Protection Features
      6. 10.6.6 Floating Pins, Unpowered Device
      7. 10.6.7 Glitch-Free Power Up and Power Down
    7. 10.7 Device Functional Modes
    8. 10.8 Device I/O Schematics
  11. 11Application and Implementation
    1. 11.1 Application Information
    2. 11.2 Typical Application
      1. 11.2.1 Design Requirements
      2. 11.2.2 Detailed Design Procedure
        1. 11.2.2.1 Bus Loading, Length and Number of Nodes
        2. 11.2.2.2 CAN Termination
      3. 11.2.3 Application Curve
      4. 11.2.4 Insulation Lifetime
  12. 12Power Supply Recommendations
  13. 13Layout
    1. 13.1 Layout Guidelines
    2. 13.2 Layout Example
  14. 14Device and Documentation Support
    1. 14.1 Documentation Support
      1. 14.1.1 Related Documentation
    2. 14.2 Receiving Notification of Documentation Updates
    3. 14.3 支持资源
    4. 14.4 Trademarks
    5. 14.5 静电放电警告
    6. 14.6 术语表
  15. 15Mechanical, Packaging, and Orderable Information

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7 Pin Configuration and Functions

GUID-20210512-CA0I-KSPC-FC1C-58GTLN3JTJ6K-low.gif Figure 7-1 ISOW104420-pin DFMTop View
Table 7-1 Pin Functions
PIN I/O DESCRIPTION
NAME NO.
VIO 1 -- Side 1 Logic supply
IN 2 I General purpose logic (GPIO) input (internal pull-down)
TXD 3 I Driver enable. If this pin is floating, the driver is disabled (internal pull-down)
STB 4 I Standby enable. Connect this pin to GNDIO in normal mode. If this pin is floating or logic high, driver is in standby mode.
RXD 5 O Receiver data output
GNDIO 6 -- Ground connection on side 1 for VIO. GNDIO and GND1 are not internally connected and need be shorted on PCB.
NC 7 -- Not connected internally
EN/FLT 8 I/O

Multi-function power converter enable input pin or fault output pin. Can only be used as either an input pin or an output pin.

  • If it's used as Power converter enable input pin, it enables and disables the integrated DC-DC power converter. Connect directly to microcontroller or through a series current limiting resistor to use as an enable input pin. DC-DC power converted is enabled when EN is high (connected to VIO) and disabled when low (connected to GND1). If EN is floating, DC-DC converter is enabled (internal pull-up resistor)
  • If it's used as Fault output pin, it gives an alert signal if power converter is not operating properly. This pin is active low. Connect to microcontroller through a 5 kΩ or greater pull-up resistor in order to use as a fault outpin pin.
VDD 9 -- Side 1 DC-DC converter power supply
GND1 10 -- Ground connections on side for VDD . GNDIO and GND1 are not internally connected and need be shorted on PCB.
GND2 11 -- Ground connections on side for VISOOUT . GND2 and GISOIN are not internally connected and need be shorted direclty on PCB, or connected through a ferrite bead.
VISOOUT 12 -- Isolated power converter output voltage. VISOOUT and VISOIN need be shorted directly on PCB, or connected through a ferrite bead.
VSIN 13 I Power converter input . Pin 12 and pin 13 need be shorted directly on PCB.
OUT 14 O General purpose logic (GPIO) output (default output is low)
GISOIN 15, 16, 17 -- Ground connections for VISOIN. GND2 and GISOIN need be shorted direclty on PCB, or connected through a ferrite bead.
CANL 18 I/O Low-level CAN bus line
CANH 19 I/O High-level CAN bus line
VISOIN 20 -- Power supply input for CAN tranceiver. VISOIN and VISOOUT need be shorted direclty on PCB, or connected through a ferrite bead.