TPS92692QPWPRQ1 原装 汽车LED驱动器
The TPS92692 and TPS92692-Q1 are high accuracy peak current mode based controllers designed to support step-up/down LED driver topologies. The device incorporates a rail-to-rail current amplifier to measure LED current and spread spectrum frequency modulation technique for improved EMI performance.
This high performance LED controller can independently modulate LED current using either analog or PWM dimming techniques. Linear analog dimming response with over 15:1 range is obtained by varying the voltage across the high impedance analog adjust (IADJ) input. PWM dimming of LED current is achieved by directly modulating the DIM/PWM input pin with the desired duty cycle or by enabling the internal PWM generator circuit. The PWM generator translates the DC voltage at DIM/PWM pin to corresponding duty cycle by comparing it to the internal triangle wave generator. The optional PDRV gate driver output can be used to drive an external P-Channel series MOSFET.
The TPS92692 and TPS92692-Q1 devices support continuous LED status check through the current monitor (IMON) output. The devices also include an open drain fault indicator output to indicate LED overcurrent, output overvoltage and output undervoltage conditions.
TPS92692QPWPRQ1 原装 汽车LED驱动器 的技术参数：
类型 | DC DC 稳压器 |
拓扑 | 降压，升压 |
内部开关 | 是 |
输出数 | 1 |
电压 - 供电 | 4.5V to 65V |
频率 | 80kHz ~ 800kHz |
调光 | 模拟，PWM |
应用 | 汽车级，Lighting，标牌 |
工作温度 | -40°C ~ 125°C（TA） |
安装类型 | 表面贴装型 |
封装/外壳 | 20-PowerTSSOP（0.173"，4.40mm 宽） |
供应商器件封装 | 20-HTSSOP |
TPS92692QPWPRQ1 原装 汽车LED驱动器 的特征：
Wide Input Voltage: 4.5 V to 65 V
Better than ± 4% LED Current Accuracy over –40°C to 150°C Junction Temperature Range
Spread Spectrum Frequency Modulation for Improved EMI
Comprehensive Fault Protection Circuitry with Current Monitor output and Open Drain Fault Flag Indicator
Internal Analog Voltage to PWM Duty Cycle Generator for stand-alone Dimming Operation
Compatible with Direct PWM Input with over 1000:1 Dimming Range
Analog LED Current Adjust Input (IADJ) with over 15:1 Contrast Ratio
Integrated P-Channel Driver to enable Series FET Dimming and LED Protection
TPS92692-Q1: Automotive Q100 Grade 1 Qualified
TPS92692QPWPRQ1 原装 汽车LED驱动器 的应用：
TPS92692-Q1: Automotive Exterior Lighting Applications
Driver Monitoring Systems (DMS)
LED General Lighting Applications
Exit Signs and Emergency Lighting
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