TPS922050/1 65V 1A/2A Buck LED Driver with PWM/Analog Dimming

1 Features • 4.5V to 65V wide input range • LED common anode connection • Integrated 300mΩ MOSFET: – Typical current limit (1.6A / 3.2A) – Switching frequency (400kHz / 1MHz) • Advanced dimming options: – Analog dimming (200:1) – Fast PWM dimming (50ns pulse width) • Full protection featu

文件：3.61122 Mbytes 页数：47 Pages

TI

德州仪器

具有模拟或 PWM 调光选项的 65V、2A 降压 LED 驱动器

TPS92205x 系列是具有 4.5V 至 65V 宽输入范围的 1A/2A 非同步升压或降压/升压 LED 驱动器。通过集成低侧 NMOS 开关，该器件能够以高功率密度和高效率驱动 LED。该系列还支持常见的阳极阳极连接和单层 PCB 设计。开关频率设置为 400kHz 或 1MHz。\n\nTPS92205x 系列通过 DIM 输入引脚支持 PWM 调光，利用简单的高低电平信号进行配置。TPS92205x 系列还通过 DIM 输入引脚支持模拟调光，使用模拟信号进行配置。该器件采用自适应关断时间电流模式控制，结合智能且精确的采样技术，可实现快速的 PWM 调光，并达到高调光比。\n\nTP 4.5V 至 65V 宽输入范围\n \nLED 共阳极连接\n \n集成的 300mΩ MOSFET： \n \n典型电流限制（1.6A/3.2A）\n \n开关频率（400kHz/1MHz）\n \n\n \n高级调光选项： \n \n模拟调光 (200:1)\n \n快速 PWM 调光（50ns 脉冲宽度）\n \n\n \n全面保护特性： \n \nLED 开路和短路保护\n \n开关 FET 开路和短路保护\n \n外部元件故障保护\n \n逐周期电流限制\n \n热关断\n \n\n \n封装：WSON-8、HVSSOP-8、SOT583;

TI

德州仪器

TPS922050/1 65V 1A/2A Buck LED Driver with PWM/Analog Dimming

1 Features • 4.5V to 65V wide input range • LED common anode connection • Integrated 300mΩ MOSFET: – Typical current limit (1.6A / 3.2A) – Switching frequency (400kHz / 1MHz) • Advanced dimming options: – Analog dimming (200:1) – Fast PWM dimming (50ns pulse width) • Full protection featu

文件：3.61122 Mbytes 页数：47 Pages

TI

德州仪器

丝印：2211；Package：WSON；TPS922050/1 65V 1A/2A Buck LED Driver with PWM/Analog Dimming

1 Features • 4.5V to 65V wide input range • LED common anode connection • Integrated 300mΩ MOSFET: – Typical current limit (1.6A / 3.2A) – Switching frequency (400kHz / 1MHz) • Advanced dimming options: – Analog dimming (200:1) – Fast PWM dimming (50ns pulse width) • Full protection featu

文件：3.61122 Mbytes 页数：47 Pages

TI

德州仪器

TPS922050/1 65V 1A/2A Buck LED Driver with PWM/Analog Dimming

1 Features • 4.5V to 65V wide input range • LED common anode connection • Integrated 300mΩ MOSFET: – Typical current limit (1.6A / 3.2A) – Switching frequency (400kHz / 1MHz) • Advanced dimming options: – Analog dimming (200:1) – Fast PWM dimming (50ns pulse width) • Full protection featu

文件：3.61122 Mbytes 页数：47 Pages

TI

德州仪器

TPS922050/1 65V 1A/2A Buck LED Driver with PWM/Analog Dimming

1 Features • 4.5V to 65V wide input range • LED common anode connection • Integrated 300mΩ MOSFET: – Typical current limit (1.6A / 3.2A) – Switching frequency (400kHz / 1MHz) • Advanced dimming options: – Analog dimming (200:1) – Fast PWM dimming (50ns pulse width) • Full protection featu

文件：3.61122 Mbytes 页数：47 Pages

TI

德州仪器