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ALLEGRO A8510GECTR-T A8510GECTR
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ALLEGRO A8510GECTR-T
- Type
- ALLEGRO
- Minimum package
- 6000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ALLEGRO
- Electronic Component
- A8510GECTR-T
- Electronic Component
- 1
- Package
- QFN-26
- Electronic Component
- LEDDriver
- Electronic Component
- PWM
- Electronic Component
- 1g
- Electronic Component
- 1
- Channel Count
- 8
- Features
- (OVP); LED; Built-in; (OTP); (SCP)
- Electronic Component
- BM0264533305
- Operating Temperature
- 40℃~+105℃
- Switching Frequency
- 580kHz~2.3MHz
- Electronic Component
- 3%
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
A8510GECTR-T 产品概述
一、简介
A8510GECTR-T 为 ALLEGRO（美国埃戈罗）推出的一款多路升压型 LED 驱动器 IC，集成高效开关管与丰富保护功能，适用于车用与工业级照明场景。器件采用 26 引脚 QFN 封装（4×4 mm），在 5V~40V 输入范围内工作，支持 PWM 调光，能够稳定驱动 8 路恒流输出，单路最大电流 40mA，总输出可达 320mA。
二、主要特点
- 输入电压（DC）：5V ~ 40V，满足宽范围供电要求。
- 拓扑结构：升压（Boost），内置开关管，减少外部元件数量。
- 通道数：8 路并联恒流输出，每路 40mA，总计 320mA。
- 开关频率：580kHz ~ 2.3MHz，可在效率与器件尺寸之间平衡。
- 调光方式：PWM 调光，支持快速亮度控制。
- 恒流精度：典型 3%，保证各通道亮度一致性。
- 封装：QFN-26（4×4 mm），适合紧凑布局。
三、电气与热性能要点
- 在高开关频率下，可使用更小的电感与滤波元件，但需关注开关损耗与热耗散。
- QFN 封装需在 PCB 上提供良好散热垫，合理布线以降低热阻和环路电感。
- 建议输入侧放置适量去耦电容和纹波抑制元件，保证升压回路稳定。
四、保护机制与可靠性
器件内建多重保护，提高系统可靠性：
- 过压保护（OVP）：防止输入或输出异常导致损坏。
- LED 开路保护：检测到开路时采取保护措施，避免异常电压。
- 软启动：限制启动电流峰值，平滑上电过程，降低输入冲击。
- 过温保护（OTP）：当结温过高时限制或关断输出。
- 短路保护（SCP）：在短路或过流情况下快速响应，保护芯片与负载。
五、典型应用
- 汽车仪表与信号照明（12V/24V 系统）。
- 商业照明与背光模组（需要多路恒流驱动的小功率 LED）。
- 指示灯、标识与工业面板照明。
六、设计与选型建议
- 根据目标应用选择开关频率：低频利于效率提升，高频可减小外形尺寸。
- 选择与工作电流匹配的外部电感与肖特基二极管（若电路需要），并确保其额定电流与峰值电流能力。
- 布局时将功率回路（开关节点、电感、二极管、电容）紧凑排列，减小环路面积以降低 EMI。
- PWM 调光源应具有明确电平与频率规范，避免与保护电路冲突。
- 在车规或高温环境下，预留散热裕量并参考 ALLEGRO 的应用指南进行 PCB 与元件选择。
总结：A8510GECTR-T 以其 8 通道、宽输入范围、内置开关与全面保护特性，适合对体积、可靠性和多路恒流控制有要求的照明方案，为工程设计提供了高集成度且易于实现的驱动解决方案。若需更详细电气参数与典型应用电路，请参考厂商完整 datasheet。
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