01 / 产品信息
产品概述
TLC5946 是一款 16 通道恒流 LED 驱动器，具 12 位 PWM 灰度调光与每通道 6 位点校正。它包含故障检测（LED 开路及对地/VLED 短路）、错误标志与电源正常指示，典型数据速率 30 MHz，工作温度 -40°C 至 85°C。用于 LED 显示屏与动态照明。
- 厂商
- TI
- 型号
- TLC5946PWPR
- 品类
- 电源管理芯片
- 封装
- HTSSOP-28
- 包装
- 卷带
- 成色
- 全新原装
- 合规
- RoHS & REACH Compliant
- 生命周期
- 与原厂确认
- 交期 / 最小起订量
- 以报价为准
02 / 技术资料
技术参数
43 项结构与连接
- SOUT
- 1 mA
- XERR
- 5 mA
- TA
- +85 °C
- SCLK, XHALF =
- 30 MHz
- GSCLK, XHALF =
- 15 MHz
- fCLK (gsclk) Grayscale control clock frequency
- 33 MHz
- TWH0 / TWL0 SCLK pulse duration SCLK = H/L (see Figure 12)
- 10 ns
- TWH1 / TWL1 GSCLK pulse duration GSCLK = H/L (see Figure 12)
- 10 ns
- TWH2 XLAT pulse duration XLAT = H (see Figure 12)
- 20 ns
- TWH3 BLANK pulse duration BLANK = H (see Figure 12)
- 20 ns
- TSU0 SIN–SCLK↑ (see Figure 12)
- 5 ns
- TSU1
- 100 ns
- TSU2 MODE–SCLK↑ (see Figure 12)
- 10 ns
- TSU3 Setup time MODE–XLAT↑ (see Figure 12)
- 10 ns
- TSU4 BLANK↓–GSCLK↑ (see Figure 12)
- 10 ns
- TSU5 XLAT↑–GSCLK↑ (see Figure 12)
- 30 ns
- TSU6
- 10 ns
- TH0 SIN–SCLK↑ (see Figure 12)
- 3 ns
- TH1 Hold time MODE–SCLK↓ (see Figure 12)
- 10 ns
- TH2 MODE–XLAT↑ (see Figure 12)
- 100 ns
- TWL2 XLAT pulse duration XLAT = L (see Figure 38)
- 20 ns
- TSU7 Setup time BLANK↑–XLAT↑ (see Figure 38)
- 20 ns
- TH3 Hold time BLANK↓–XLAT↓ (see Figure 38)
- 20 ns
- IOL
- = 1 mA
- ICC1
- 0.9
- DCn
- = 3Fh
- ICC2
- 4
- ICC3
- 13
- ICC4
- 20
- ΔIOLC2 Line regulation
- ±0.5
- VCC
- = 3.0 V
- ΔIOLC3 Load regulation
- ±1
- IOL = 1 mA at
- 0.4 V
- IOL = 5 mA at
- 0.5 V
- ΔIOLC All OUTn = ON, VOUTn = 1 V, VOUTfix = 1 V, DCn = 3Fh
- ±1 %
性能与环境
- VCC Supply voltage
- 5.5 V
- VO Voltage applied to output OUT0 to
- 17 V
- VIL Low-level input voltage
- 0.3 × V V
- IOH High-level output current
- 1 mA
- IOLC Constant output sink current OUT0 to OUT15, DC = 3Fh
- 40 mA
- TJ Operating junction temperature
- +125 °C
- IIN Input current
- 1
- IOLK1 Output leakage current
- 0.1
03 / 原厂资料
规格与文档
请使用原厂官方文档，在设计定稿前核对电气特性、封装尺寸与工作限值。
请确认当前库存、生产日期代码、包装、价格与交货条款。产品信息不构成约束性报价，最终规格以报价为准。