component
ATA6570-GNQW1
Public Made by Adomby adom
Microchip Tech CAN ICs, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"name": "TXD",
"type": "input",
"description": "Transmit data input from the microcontroller that controls the CAN bus level, with an internal pull-up to VIO so a floating pin gives the recessive state, and a dominant time-out that disables the transmitter."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground; the IC does not affect the CAN bus if GND is disconnected."
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"number": "3",
"name": "VCC",
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"description": "5V CAN transceiver supply for the CANH/CANL bus drivers, differential receiver and bus biasing, monitored for undervoltage."
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{
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"description": "Receive data push-pull output (high side to VIO, low side to GND) that reads out the CAN bus state, high when the bus is recessive and low when dominant."
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{
"number": "5",
"name": "VIO",
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"description": "Supply voltage for the I/O level adapter of the digital input/output pins, monitored for undervoltage, allowing direct interfacing of 3.3V to 5V microcontrollers."
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{
"number": "6",
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"type": "tri_state",
"description": "SPI serial data output to the microcontroller input; the pin is tri-state when NCS is high."
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"description": "High-side output switching towards VS to control external voltage regulators, on in Normal and Standby modes and off (high-ohmic) in Sleep mode."
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{
"number": "8",
"name": "SCK",
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"description": "SPI serial data clock input, with default low level due to an internal pull-down."
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{
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"name": "WAKE",
"type": "input",
"description": "High-voltage input for local wake-up, triggered on rising and/or falling edge, with a recommended 10 kOhm series resistor and 10 nF capacitor, and tied to GND if unused."
},
{
"number": "10",
"name": "VS",
"type": "power_in",
"description": "Battery supply voltage pin of the device, sustaining 40V during load dump, with undervoltage detection."
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{
"number": "11",
"name": "SDI",
"type": "input",
"description": "SPI serial data input connected to an output of the microcontroller."
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{
"number": "13",
"name": "CANH",
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"description": "High-level CAN bus line, a high-side driver to VCC that is short-circuit protected and ESD protected."
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{
"number": "14",
"name": "NCS",
"type": "input",
"description": "Active-low SPI chip select input; when not active no data is loaded from SDI on SCK edges or provided at SDO."
}
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{
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{
"name": "Supply voltage threshold for power on detection",
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{
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{
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"conditions": "DOPM = Standby, CWUE = 1, CAN TRX Standby mode, VVS = 7V to 18V",
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{
"name": "Additional VS current with bus biasing on",
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"conditions": "Sleep/Standby mode with bus biasing on",
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{
"name": "Additional VS current with partial networking enabled",
"symbol": "ΔIVS_Pn",
"kind": "electrical",
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"max": 350,
"conditions": "bus active, CPNE = 1, PNCFOK = 1",
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"name": "VS supply current, Normal mode",
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"kind": "electrical",
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"typ": 1,
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"conditions": "Normal mode, TRX Normal mode, partial networking enabled, bus active, CPNE = 1, PNCFOK = 1",
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{
"name": "VCC undervoltage detection set threshold",
"symbol": "VVCC_UV_Set",
"kind": "electrical",
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"conditions": "VVCC falling",
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{
"name": "VCC TX undervoltage shutdown threshold",
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"min": 4,
"typ": null,
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{
"name": "VCC supply current, Normal mode",
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{
"name": "VCC supply current, Standby",
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"conditions": "Device Sleep mode and CAN TRX Standby mode",
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{
"name": "VCC supply current, dominant",
"symbol": "IVCC_dom",
"kind": "electrical",
"unit": "mA",
"min": 30,
"typ": 50,
"max": 70,
"conditions": "Normal mode, Dominant, VTXD = 0V",
"source_page": 49,
"source": "datasheet"
},
{
"name": "VCC supply current, bus short",
"symbol": "IVCC_short",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 85,
"conditions": "Normal mode, short between CANH and CANL",
"source_page": 49,
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},
{
"name": "VIO undervoltage detection set threshold",
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{
"name": "VIO supply current, Standby/Normal",
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{
"name": "VIO supply current, Sleep",
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"conditions": "Sleep, TXD = 1, Tamb ≤ +125°C",
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{
"name": "Input current SDI",
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"min": -5,
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{
"name": "Pull-up resistance on NCS",
"symbol": "RPU_NCS",
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"unit": "kΩ",
"min": 40,
"typ": 60,
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{
"name": "Pull-down resistance on SCK",
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{
"name": "SDO off-state leakage current",
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{
"name": "Pull-up resistor TXD",
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{
"name": "WAKE high-level input current",
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"typ": 5,
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{
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{
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"min": -2,
"typ": null,
"max": 2,
"conditions": "Leakage of grounded INH pin in Off mode",
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{
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"kind": "electrical",
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"typ": 3.5,
"max": 4.5,
"conditions": "RL = 50Ω to 65Ω",
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},
{
"name": "CANL single-ended dominant output voltage",
"symbol": "VCANL",
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