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LP5862RSMR
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TI(德州仪器) LED Drivers, VQFN-32(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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Symbol & Footprint
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README
markdownLP5862RSMR
TI(德州仪器) · LED Drivers · VQFN-32(4x4)
LP5862RSMR from TI(德州仪器), in a VQFN-32(4x4). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VCC | power_in | 器件电源输入,电压范围为 2.7V 至 5.5V;必须在该引脚与 GND 之间连接一个 1μF 电容器,并尽可能靠近器件放置。 |
| 2 | CS0 | output | 电流阱 0 输出,ICS 范围为 0.1mA 至 50mA(VCC≥3.3V);如果未使用,该引脚必须保持悬空。 |
| 3 | CS1 | output | 电流阱 1 输出,ICS 范围为 0.1mA 至 50mA(VCC≥3.3V);如果未使用,该引脚必须保持悬空。 |
| 4 | CS2 | output | 电流阱 2 输出,ICS 范围为 0.1mA 至 50mA(VCC≥3.3V);如果未使用,该引脚必须保持悬空。 |
| 5 | CS3 | output | 电流阱 3 输出,ICS 范围为 0.1mA 至 50mA(VCC≥3.3V);如果未使用,该引脚必须保持悬空。 |
| 6 | CS4 | output | 电流阱 4 输出,ICS 范围为 0.1mA 至 50mA(VCC≥3.3V);如果未使用,该引脚必须保持悬空。 |
| 7 | CS5 | output | 电流阱 5 输出,ICS 范围为 0.1mA 至 50mA(VCC≥3.3V);如果未使用,该引脚必须保持悬空。 |
| 8 | CS6 | output | 电流阱 6 输出,ICS 范围为 0.1mA 至 50mA(VCC≥3.3V);如果未使用,该引脚必须保持悬空。 |
| 9 | CS7 | output | 电流阱 7 输出,ICS 范围为 0.1mA 至 50mA(VCC≥3.3V);如果未使用,该引脚必须保持悬空。 |
| 10 | CS8 | output | 电流阱 8 输出,ICS 范围为 0.1mA 至 50mA(VCC≥3.3V);如果未使用,该引脚必须保持悬空。 |
| 11 | SW0 | output | 高侧 PMOS 开关输出 0;该引脚必须与引脚 12 (SW0) 连接在一起;如果未使用,该引脚必须保持悬空。 |
| 12 | SW0 | output | 高侧 PMOS 开关输出 0;该引脚必须与引脚 11 (SW0) 连接在一起;如果未使用,该引脚必须保持悬空。 |
| 13 | SW1 | output | 高侧 PMOS 开关输出 1;该引脚必须与引脚 14 (SW1) 连接在一起;如果未使用,该引脚必须保持悬空。 |
| 14 | SW1 | output | 高侧 PMOS 开关输出 1;该引脚必须与引脚 13 (SW1) 连接在一起;如果未使用,该引脚必须保持悬空。 |
| 15 | VLED | power_in | 高侧开关的电源输入,LED 电源电压范围为 2.7V 至 5.5V。 |
| 16 | CS9 | output | 电流阱 9 输出,ICS 范围为 0.1mA 至 50mA(VCC≥3.3V);如果未使用,该引脚必须保持悬空。 |
| 17 | CS10 | output | 电流阱 10 输出,ICS 范围为 0.1mA 至 50mA(VCC≥3.3V);如果未使用,该引脚必须保持悬空。 |
| 18 | CS11 | output | 电流阱 11 输出,ICS 范围为 0.1mA 至 50mA(VCC≥3.3V);如果未使用,该引脚必须保持悬空。 |
| 19 | CS12 | output | 电流阱 12 输出,ICS 范围为 0.1mA 至 50mA(VCC≥3.3V);如果未使用,该引脚必须保持悬空。 |
| 20 | CS13 | output | 电流阱 13 输出,ICS 范围为 0.1mA 至 50mA(VCC≥3.3V);如果未使用,该引脚必须保持悬空。 |
| 21 | CS14 | output | 电流阱 14 输出,ICS 范围为 0.1mA 至 50mA(VCC≥3.3V);如果未使用,该引脚必须保持悬空。 |
| 22 | CS15 | output | 电流阱 15 输出,ICS 范围为 0.1mA 至 50mA(VCC≥3.3V);如果未使用,该引脚必须保持悬空。 |
| 23 | CS16 | output | 电流阱 16 输出,ICS 范围为 0.1mA 至 50mA(VCC≥3.3V);如果未使用,该引脚必须保持悬空。 |
| 24 | CS17 | output | 电流阱 17 输出,ICS 范围为 0.1mA 至 50mA(VCC≥3.3V);如果未使用,该引脚必须保持悬空。 |
| 25 | VCAP | output | 内部 LDO 输出,必须在该引脚与 GND 之间连接一个 1μF 电容器,并尽可能靠近器件放置。 |
| 26 | IFS | input | 接口类型选择引脚:低电平选择 I2C,高电平选择 SPI;必须在 VIO 与该引脚之间连接一个电阻。 |
| 27 | VSYNC | input | 显示模式 2 和模式 3 的外部同步信号输入。 |
| 28 | SCL_SCLK | input | I2C 时钟输入或 SPI 时钟输入;配置为 I2C 时必须上拉至 VIO。 |
| 29 | SDA_MOSI | bidirectional | I2C 数据输入输出或 SPI 领导者输出/跟随者输入;配置为 I2C 时必须上拉至 VIO。 |
| 30 | ADDR0_MISO | bidirectional | I2C 地址选择 0,或 SPI 领导者输入/跟随者输出。 |
| 31 | ADDR1_SS | input | I2C 地址选择 1,或 SPI 跟随者选择(SS,低电平有效)。 |
| 32 | VIO_EN | power_in | 数字电路的电源和芯片使能引脚,VIO 电压范围为 1.65V 至 5.5V;必须在该引脚与 GND 之间连接一个 1nF 电容器,并尽可能靠近器件放置。 |
| 33 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TI(德州仪器) |
| Package | VQFN-32(4x4) |
| Category | LED Drivers |
| Pins | 33 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| VCC/VLED/VIO/EN/CS/SW/SDA/SCL/SCLK/MOSI/MISO/SS/ADDR0/ADDR1/VSYNC/IFS voltage | -0.3 | 6 | V | 7 | |||
| VCAP voltage | -0.3 | 2 | V | 7 | |||
| Junction temperature | TJ | -55 | 150 | °C | 7 | ||
| Storage temperature | Tstg | -65 | 150 | °C | 7 | ||
| VCC input voltage (power supply) | VCC | 2.7 | 5.5 | V | 7 | ||
| VLED input voltage (LED supply) | VLED | 2.7 | 5.5 | V | 7 | ||
| VIO_EN input voltage | VIO_EN | 1.65 | 5.5 | V | 7 | ||
| Operating ambient temperature | TA | -40 | 85 | °C | 7 | ||
| Device supply voltage | VCC | 2.7 | 5.5 | V | 8 | ||
| LED supply voltage | VLED | 2.7 | 5.5 | V | 8 | ||
| VIO supply voltage | VVIO | 1.65 | 5.5 | V | 8 | ||
| Shutdown supply current | ISHUTDOWN | 0.1 | 1 | µA | VEN = 0V,CHIP_EN = 0(位),测量来自 VCC 和 VLED 的总电流 | 8 | |
| Standby supply current | ISTANDBY | 5.5 | 10 | µA | VEN = 3.3V,CHIP_EN = 0(位),测量来自 VCC 和 VLED 的总电流 | 8 | |
| Normal operating supply current | INORMAL | 4.3 | 6 | mA | VEN = 3.3V,CHIP_EN = 1(位),所有通道 IOUT = 5mA(MC = 1,CC = 127,DC = 256),测量来自 VCC 的电流 | 8 | |
| Constant current sink output range (2.7V ≤ VCC < 3.3V) | ICS | 0.1 | 40 | mA | 2.7 <= VCC < 3.3V,PWM = 100% | 8 | |
| Constant current sink output range (VCC ≥ 3.3V) | ICS | 0.1 | 50 | mA | VCC >= 3.3V,PWM = 100% | 8 | |
| Leakage current (CS0-CS17) | ILKG | 0.1 | 1 | µA | 通道关闭,up_deghost = 0,VCS = 5V | 8 | |
| Device-to-device current error | IERR_DD | -7 | 7 | % | 所有通道都开启。电流设置为 0.1mA。MC = 0,CC = 42,DC = 25,PWM = 100% | 8 | |
| Device-to-device current error | IERR_DD | -5 | 5 | % | 所有通道都开启。电流设置为 1mA。MC = 2,CC = 127,DC = 25,PWM = 100% | 8 | |
| Device-to-device current error | IERR_DD | -3.5 | 3.5 | % | 所有通道都开启。电流设置为 10mA。MC = 2,CC = 127,DC = 255,PWM = 100% | 8 | |
| Device-to-device current error | IERR_DD | -3 | 3 | % | 所有通道都开启。电流设置为 50mA。MC = 7,CC = 127,DC = 255,PWM = 100% | 8 | |
| Channel-to-channel current error | IERR_CC | -5.5 | 5.5 | % | 所有通道都开启。电流设置为 0.1mA。MC = 0,CC = 42,DC = 25,PWM = 100% | 8 | |
| Channel-to-channel current error | IERR_CC | -5 | 5 | % | 所有通道都开启。电流设置为 1mA。MC = 2,CC = 127,DC = 25,PWM = 100% | 8 | |
| Channel-to-channel current error | IERR_CC | -4 | 4 | % | 所有通道都开启。电流设置为 10mA。MC = 2,CC = 127,DC = 255,PWM = 100% | 8 | |
| Channel-to-channel current error | IERR_CC | -3.5 | 3.5 | % | 所有通道都开启。电流设置为 25mA。MC = 7,CC = 64,DC = 255,PWM = 100% | 8 | |
| Channel-to-channel current error | IERR_CC | -3 | 3 | % | 所有通道都开启。电流设置为 50mA。MC = 7,CC = 127,DC = 255,PWM = 100% | 8 | |
| Logic input current (SDA, SCL, SCLK, MOSI, SS, ADDRx) | ILOGIC_I | -1 | 1 | µA | 9 | ||
| Oscillator frequency error device-to-device | fOSC_ERR | -3 | 3 | % | 9 | ||
| Bus capacitance | Cb | 5 | 40 | pF | 10 | ||
| I2C clock frequency (standard mode) | fSCL | 0 | 100 | KHz | I2C 标准模式 | 10 | |
| I2C clock frequency (fast mode) | fSCL | 0 | 400 | KHz | I2C 快速模式 | 10 | |
| I2C clock frequency (fast-mode plus) | fSCL | 0 | 1000 | KHz | I2C 快速+ 模式 | 10 | |
| Thermal resistance, junction-to-ambient | RθJA | 32.9 | °C/W | RSM (VQFN) 32-pin package | 7 | ||
| Thermal resistance, junction-to-case (top) | RθJC(top) | 29.2 | °C/W | RSM (VQFN) 32-pin package | 7 | ||
| Thermal resistance, junction-to-board | RθJB | 12.3 | °C/W | RSM (VQFN) 32-pin package | 7 | ||
| Junction-to-top characterization parameter | ΨJT | 0.4 | °C/W | RSM (VQFN) 32-pin package | 7 | ||
| Junction-to-board characterization parameter | ΨJB | 12.3 | °C/W | RSM (VQFN) 32-pin package | 7 | ||
| Thermal resistance, junction-to-case (bottom) | RθJC(bot) | 3.7 | °C/W | RSM (VQFN) 32-pin package | 7 |
CAD (KiCad official)
- Symbol:
LP5862RSMR - Footprint:
Package_DFN_QFN:QFN-32-1EP_4x4mm_P0.4mm_EP2.9x2.9mm - 3D model: VQFN-32(4x4) (KiCad packages3D, STEP)
- 3D model files:
lp5862rsmr-etched.step/lp5862rsmr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lp5862rsmr.step/lp5862rsmr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TI(德州仪器) datasheet (47 pp, sha256
f3dafd71b5846eb7, retrieved 2026-10-19, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).