component
SL2044
Public Made by Adomby adom
Slkor(SLKORMICRO Elec.) Power Management Specialized - PMIC, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"package": "SOP-14",
"pin_count": 14,
"category": "Power Management ICs",
"subcategory": "Power Management Specialized - PMIC",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/37a28300091ed913282df47ebbf79395.pdf",
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"pins": [
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"number": "1",
"name": "OSC",
"type": "passive",
"description": "Oscillator pin of the RC timing network (R1, C1) that sets the flash frequency per formula 5.1, with R1 from 6.8kΩ to 180kΩ and C1 up to 47µF."
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{
"number": "2",
"name": "SIL",
"type": "input",
"description": "Left turn start input; grounding it (via pull-down R4) disables the left indicator, and closing the left switch changes the internal comparator state to drive outputs on pins 11 and 13."
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{
"number": "3",
"name": "SIR",
"type": "input",
"description": "Right turn start input; grounding it (via pull-down R5) disables the right indicator, and closing the right switch changes the internal comparator state to drive outputs on pins 11 and 13."
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{
"number": "4",
"name": "SIHW",
"type": "input",
"description": "Hazard warning start input, active low; when the hazard switch closes both turn indicators flash at the frequency set by formula 5.1, independent of the ignition state."
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{
"number": "5",
"name": "VS",
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"description": "Battery supply input that powers the fault-detection comparator on pin 8 and may be connected directly to the external battery; absolute maximum 24 V for 1 minute with pins 5, 9 and 12."
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{
"number": "6",
"name": "CR1",
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"description": "Relay 1 feedback input that monitors the left indicator operating state and also enables the oscillator."
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{
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"name": "CR2",
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"description": "Relay 2 feedback input that monitors the right indicator operating state and also enables the oscillator."
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{
"number": "8",
"name": "LD",
"type": "input",
"description": "Lamp fault detection input that senses indicator current across external shunt Rs against an internal 81 mV comparator reference, doubling the flash rate on a lamp failure."
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{
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"name": "VS",
"type": "power_in",
"description": "Supply pin for the oscillator, comparators and internal logic, rated 8 V to 18 V with 24 V absolute maximum for 1 minute."
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{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Reference ground pin, connected through resistor R2 to limit transient pulses, with built-in reverse battery polarity protection."
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{
"number": "11",
"name": "OR1",
"type": "output",
"description": "Relay 1 driver output for the left indicator, with low saturation voltage (1.0 V at 8 V supply, 1.2 V at 12 V supply) and up to 300 mA relay current."
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{
"number": "12",
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"description": "Supply pin for the relay driver circuit, internally clamped by a 27 V zener diode (clamp voltage 25.0 V to 30.0 V)."
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{
"number": "13",
"name": "OR2",
"type": "output",
"description": "Relay 2 driver output for the right indicator, with low saturation voltage (1.0 V at 8 V supply, 1.2 V at 12 V supply) and up to 300 mA relay current."
},
{
"number": "14",
"name": "OSC",
"type": "passive",
"description": "Second oscillator pin of the RC timing network (R1, C1) that sets the flash frequency per formula 5.1."
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{
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"unit": "mV",
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{
"name": "故障报警阈值电压的温度系数 Alarm threshold temperature coefficient",
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"max": 30,
"conditions": "Tamb=-40℃ to 125℃",
"source_page": 6,
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"name": "继电器输出过压检测阈值电压 Relay output overvoltage detection threshold",
"symbol": "V12",
"kind": "electrical",
"unit": "V",
"min": 18,
"typ": 20,
"max": 22,
"conditions": "Tamb=-40℃ to 125℃",
"source_page": 6,
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{
"name": "启动延时 第一次灯亮 Start delay",
"symbol": "ton",
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"min": null,
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"conditions": "1分钟, pins 5，9and 12",
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{
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{
"name": "调频电阻 Timing resistor R1",
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{
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{
"name": "频率公差 Frequency tolerance (normal flash frequency f1, excl. R1 and C1 tolerance)",
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"min": -5,
"typ": null,
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{
"name": "占空比（灯亮）基本频率 Duty cycle (lamp on) basic frequency f1",
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"min": 37,
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"source_page": 7,
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{
"name": "频率倍增 灯失效 Frequency multiplication on lamp failure",
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"min": 2.15,
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{
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"unit": "K/W",
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