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Industrial digital output expansion board based on IPS8200HQ-1 for STM32 Nucleo

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The X-NUCLEO-OUT17A1 is an industrial digital output expansion board for STM32 Nucleo. It provides a powerful and flexible environment for the evaluation of the driving and diagnostic capabilities of the IPS8200HQ-1 octal high-side, smart power, solid-state relay in a digital output module connected to 1.0 A industrial loads.

The X-NUCLEO-OUT17A1 interfaces with the microcontroller on the STM32 Nucleo via STISO620 and STISO621 and Arduino® UNO R3 connectors.

The user can select which driving mode controls the IPS8200HQ-1: parallel (SEL2 = L by JP21 = open) or SPI (SEL2 = H by JP21 = closed).

In the case of SPI selection, the user can select the communication protocol between 8 bits (SEL1 = L by JP22 = open) or 16 bits (SEL1 = H by JP22 = closed).

The VCC supply pin of the IPS8200HQ-1 is provided by the connector CN1, while the loads (driven by the 8 output channels of the IPS8200HQ-1) can be connected between the connectors CN2, CN3, CN4, CN12, and the pin 2 of the connector CN1.

The on-board digital isolators (STISO620 and STISO621) feature the 2.8k VRMS (4k VPK) galvanic isolation between the two application sides: logic and process sides.

The logic side is the application side of the MCU and it is supplied by the VISO_L rail (3.3 or 5.0 V). VISO_L can be supplied by an external power supply connected to CN13 or, alternatively by the pin 4 (SW1 = close 1-2) or pin 5 (SW1 = close 2-3) of CN6.

The process side is the application side of the industrial loads and it is supplied by the VCC and VISO_P rails. The VISO_P (3.3 or 5.0 V) is usually supplied by the VREG rail (JP31 = closed) that can be generated by the step-down embedded in the IPS8200HQ-1 (SW17 = close 1-2, JP20 = closed, JP15 = closed and JP28 = close 2-4 (VREG = 3.3 V) or JP28 = 1-3 (VREG = 5.0 V)).

Alternatively, VREG can be provided by an external power supply connected to CN14 (SW17 = close 2-3, JP20 = open, JP15 = open).

In parallel driving mode (active with the default jumper and switch settings) the application board can work even without any Nucleo board: in this case, the user must provide the process side voltage (usually 24 V) by the CN1 and the VISO_L (usually 3.3 V) by the CN13. The INX signals, available on CN5[1, 2, 3], CN8[4] and CN9[3, 5, 7, 8], drives on/off the correspondent OUTX connected to the loads on the process side.

The INX pins can be driven low/high swinging between 0V and VISO_L. The activation of each OUTX (OUT1… OUT8) can be monitored by the green LEDs DOX (DO1… DO8).

The activation of the three diagnostic pins (TWARN, PGOOD, FAULT) can be visualized on the correspondent red LEDs (D11, D12, D13, respectively) or monitored by an oscilloscope on CN8[5], CN5[9], CN5[10].

The SPI driving mode can be set by changing the default configuration (JP21 = close; SW4, SW5, SW6, SW7, SW9, SW10, SW11, SW12, SW13, SW14, SW15, SW20 = close 2-3, SW18 = close 1-2). The SPI-8bits is the default mode (JP22 = open), while the SPI-16bits mode can be activated by JP22 = close.

In SPI driving mode it is also possible to activate the MCU freeze detection feature by setting SW3 = close 2-3.

The expansion board can be connected to either a NUCLEO-F401RE or a NUCLEO-G431RB development board. In this case the companion firmware X-CUBE-IPS detects the selected configuration (GPIO, SPI-8bits, SPI-16bits) by reading the signals SEL2_L and SEL1 from CN8[1] and CN8[6]. The activation of the MCU freeze feature is detected by WDEN(in) on CN9[4].

It is also possible to evaluate a system composed of a X-NUCLEO-OUT17A1 stacked on other expansion boards. In fact, SPI driving mode allows the daisy-chaining communication with another X-NUCLEO-OUT17A1 stacked through the Arduino connectors: the two stacked boards must be configured with SW6, SW18 = close 2-3 on one board, and SW6, SW18 = close 1-2 on the other board.

  • 特徴

    • Based on the IPS8200HQ-1 octal high-side switch, which features:Operating range 10.5 to 36 VOperating output current ≤ 1.0 ALow-power dissipation (RUndervoltage lock-outSelectable driving modes parallel or 5 MHz SPI (8 or 16 bits)Embedded step-down converter4x2 LED matrix for efficient status indicationMCU freeze detectionFast decay for inductive loadsOverload and overtemperature protectionsLoss of ground protectionJunction overtemperature and parity check diagnostic pin (FAULT)Case overtemperature diagnostic pin (TWARN)Supply voltage level diagnostic pin (PGOOD)QFN48L 8x6 mm package
    • Application board operating range: 12 to 33 V
    • Extended voltage operating range (J9 open) up to 36 V
    • Operating current: up to 1.0 A per channel
    • Blue LED showing SPI mode selection
    • Yellow LED showing SPI mode 16-bits selection
    • Red LED for FAULT diagnostic pin (JP12 closed)
    • Red LED for PGOOD diagnostic pin (JP13 closed)
    • Red LED for TWARN diagnostic pin (JP27 closed)
    • 4 kVPK galvanic isolation ensured by STISO620 and STISO621
    • Supply rail reverse polarity protection
    • Compatible with STM32 Nucleo development boards
    • Equipped with Arduino® UNO R3 connectors
    • CE certified
    • RoHS and China RoHS compliant


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