FCH041N65EF-F155

FCH041N65EF-F155

  • 厂商:

    ONSEMI(安森美)

  • 封装:

    TO-247-3

  • 描述:

    650V , 5V@7.6mA , N沟道 , 595W , 41mΩ@10V,38A , 76A ,

  • 数据手册
  • 价格&库存
FCH041N65EF-F155 数据手册
N-Channel SuperFET® II FRFET® MOSFET 650 V, 76 A, 41 mΩ Features Description • 700 V @ TJ = 150°C SuperFET® II MOSFET is ON Semiconductor’s brand-new high voltage super-junction (SJ) MOSFET family that is utilizing charge balance technology for outstanding low on-resistance and lower gate charge performance. This technology is tailored to minimize conduction loss, provide superior switching performance, dv/dt rate and higher avalanche energy. Consequently, SuperFET II MOSFET is very suitable for the switching power applications such as PFC, server/telecom power, FPD TV power, ATX power and industrial power applications. SuperFET II FRFET® MOSFET’s optimized body diode reverse recovery performance can remove additional component and improve system reliability. • Typ. RDS(on) = 36 mΩ • Ultra Low Gate Charge (Typ. Qg = 229 nC) • Low Effective Output Capacitance (Typ. Coss(eff.) = 631 pF) • 100% Avalanche Tested • RoHS Compliant Applications • LCD / LED / PDP TV • Telecom / Server Power Supplies • Solar Inverter • AC - DC Power Supply D G G D S TO-247 long leads S Absolute Maximum Ratings TC = 25oC unless otherwise noted. Symbol VDSS Drain to Source Voltage Parameter VGSS Gate to Source Voltage FCH041N65EF-F155 650 - DC Unit V ±20 - AC (f > 1 Hz) - Continuous (TC = 25oC) V ±30 76 ID Drain Current IDM Drain Current EAS Single Pulsed Avalanche Energy IAR Avalanche Current (Note 1) 15 A EAR Repetitive Avalanche Energy (Note 1) 5.95 mJ dv/dt - Continuous (TC = 100oC) - Pulsed (Note 1) 228 A (Note 2) 2025 mJ MOSFET dv/dt 100 Peak Diode Recovery dv/dt (Note 3) o (TC = 25 C) PD Power Dissipation TJ, TSTG Operating and Storage Temperature Range Maximum Lead Temperature for Soldering, 1/8” from Case for 5 Seconds TL A 48.1 - Derate Above 25oC V/ns 50 595 W 4.76 W/oC o -55 to +150 C 300 oC FCH041N65EF-F155 Unit Thermal Characteristics Symbol Parameter RθJC Thermal Resistance, Junction to Case, Max. RθJA Thermal Resistance, Junction to Ambient, Max. ©2016 Semiconductor Components Industries, LLC. September-2017, Rev. 2 0.21 40 o C/W Publication Order Number: FCH041N65EF-F155/D FCH041N65EF — N-Channel SuperFET® II FRFET® MOSFET FCH041N65EF Part Number FCH041N65EF-F155 Top Mark FCH041N65EF Package TO-247 G03 Packing Method Tube Reel Size N/A Tape Width N/A Quantity 30 units Electrical Characteristics TC = 25oC unless otherwise noted. Symbol Parameter Test Conditions Min. Typ. Max. Unit Off Characteristics BVDSS Drain to Source Breakdown Voltage ΔBVDSS / ΔTJ Breakdown Voltage Temperature Coefficient IDSS Zero Gate Voltage Drain Current IGSS Gate to Body Leakage Current VGS = 0 V, ID = 10 mA, TJ = 25°C 650 - - VGS = 0 V, ID = 10 mA, TJ = 150°C 700 - - - 0.72 - ID = 10 mA, Referenced to 25oC VDS = 650 V, VGS = 0 V - - 10 VDS = 520 V, TC = 125oC - 145 - VGS = ±20 V, VDS = 0 V - - ±100 V V/oC μA nA On Characteristics VGS(th) RDS(on) Gate Threshold Voltage VGS = VDS, ID = 7.6 mA 3 - 5 V Static Drain to Source On Resistance - 36 41 mΩ gFS Forward Transconductance VGS = 10 V, ID = 38 A VDS = 20 V, ID = 38 A - 71.7 - S - 9446 12560 pF - 366 490 pF pF Dynamic Characteristics Ciss Input Capacitance Coss Output Capacitance Crss Reverse Transfer Capacitance - 35 - Coss Output Capacitance VDS = 380 V, VGS = 0 V, f = 1 MHz - 197 - pF Coss(eff.) Effective Output Capacitance VDS = 0 V to 400 V, VGS = 0 V - 631 - pF VDS = 380 V, ID = 38 A, VGS = 10 V - 229 298 nC - 50 - nC Qg(tot) Total Gate Charge at 10V Qgs Gate to Source Gate Charge Qgd Gate to Drain “Miller” Charge ESR Equivalent Series Resistance VDS = 100 V, VGS = 0 V, f = 1 MHz (Note 4) - 90 - nC f = 1 MHz - 0.6 - Ω - 55 120 ns VDD = 380 V, ID = 38 A, VGS = 10 V, Rg = 4.7 Ω - 65 140 ns - 175 360 ns - 48 106 ns Switching Characteristics td(on) Turn-On Delay Time tr Turn-On Rise Time td(off) Turn-Off Delay Time tf Turn-Off Fall Time (Note 4) Drain-Source Diode Characteristics IS Maximum Continuous Drain to Source Diode Forward Current - - 76 A ISM Maximum Pulsed Drain to Source Diode Forward Current - - 228 A VSD Drain to Source Diode Forward Voltage VGS = 0 V, ISD = 38 A - - 1.2 V trr Reverse Recovery Time - 207 - ns Qrr Reverse Recovery Charge VGS = 0 V, ISD = 38 A, dIF/dt = 100 A/μs - 1.5 - μC Notes: 1. Repetitive rating: pulse width limited by maximum junction temperature. 2. IAS = 15 A, RG = 25 Ω, starting TJ = 25°C. 3. ISD ≤ 38 A, di/dt ≤ 200 A/μs, VDD ≤ 380 V, starting TJ = 25°C. 4. Essentially independent of operating temperature typical characteristics. www.onsemi.com 2 FCH041N65EF — N-Channel SuperFET® II FRFET® MOSFET Package Marking and Ordering Information Figure 1. On-Region Characteristics Figure 2. Transfer Characteristics 200 VGS = 20.0V 10.0V 8.0V 7.0V 6.5V 6.0V 5.5V 100 100 o 150 C ID, Drain Current[A] ID, Drain Current[A] 500 10 o 25 C 10 o -55 C *Notes: 1. 250μs Pulse Test *Notes: 1. VDS = 20V 2. 250μs Pulse Test o 2. TC = 25 C 1 0.1 1 VDS, Drain-Source Voltage[V] 1 10 Figure 3. On-Resistance Variation vs. Drain Current and Gate Voltage IS, Reverse Drain Current [A] VGS = 10V 0.04 VGS = 20V 100 o 150 C 10 1 o 25 C 0.1 *Notes: 1. VGS = 0V 0.01 o *Note: TC = 25 C 0 40 80 120 160 ID, Drain Current [A] 200 240 0.001 0.0 Figure 5. Capacitance Characteristics 0.5 1.0 1.5 VSD, Body Diode Forward Voltage [V] 2.0 Figure 6. Gate Charge Characteristics VGS, Gate-Source Voltage [V] Ciss 10000 Capacitances [pF] 2. 250μs Pulse Test 10 100000 1000 Coss 100 10 8 1000 0.05 0.03 4 5 6 7 VGS, Gate-Source Voltage[V] Figure 4. Body Diode Forward Voltage Variation vs. Source Current and Temperature 0.06 RDS(ON) [Ω], Drain-Source On-Resistance 3 *Note: 1. VGS = 0V 2. f = 1MHz Crss Ciss = Cgs + Cgd (Cds = shorted) Coss = Cds + Cgd Crss = Cgd 1 0.1 1 10 100 VDS, Drain-Source Voltage [V] VDS = 130V VDS = 325V 8 VDS = 520V 6 4 2 *Note: ID = 38A 1000 0 www.onsemi.com 3 0 50 100 150 200 Qg, Total Gate Charge [nC] 250 FCH041N65EF — N-Channel SuperFET® II FRFET® MOSFET Typical Performance Characteristics Figure 7. Breakdown Voltage Variation vs. Temperature Figure 8. On-Resistance Variation vs. Temperature 2.5 RDS(on), [Normalized] Drain-Source On-Resistance BVDSS, [Normalized] Drain-Source Breakdown Voltage 1.15 1.10 1.05 1.00 0.95 *Notes: 1. VGS = 0V 2. ID = 10mA 0.90 -75 -50 -25 0 25 50 75 100 125 150 o TJ, Junction Temperature [ C] 2.0 1.5 1.0 0.5 0.0 -75 -50 -25 0 25 50 75 100 125 150 o TJ, Junction Temperature [ C] Figure 9. Maximum Safe Operating Area Figure 10. Maximum Drain Current vs. Case Temperature 80 500 10μs 100 100μs DC 10 1ms ID, Drain Current [A] ID, Drain Current [A] *Notes: 1. VGS = 10V 2. ID = 38A Operation in This Area is Limited by R DS(on) 1 *Notes: 0.1 o 60 40 20 1. TC = 25 C o 0.01 2. TJ = 150 C 3. Single Pulse 1 10 100 VDS, Drain-Source Voltage [V] 0 25 1000 Figure 11. Eoss vs. Drain to Source Voltage 52.0 EOSS, [μJ] 41.6 31.2 20.8 10.4 0 0 100 200 300 400 500 600 VDS, Drain to Source Voltage [V] 700 www.onsemi.com 4 50 75 100 125 o TC, Case Temperature [ C] 150 FCH041N65EF — N-Channel SuperFET® II FRFET® MOSFET Typical Performance Characteristics (Continued) Figure 12. Transient Thermal Response Curve o ZθJC(t), Thermal Response [ C/W] 0.5 0.1 0.5 0.2 PDM 0.1 0.01 0.05 t1 0.02 0.01 Single pulse 0.001 -5 10 *Notes: t2 o 1. ZθJC(t) = 0.21 C/W Max. 2. Duty Factor, D= t1/t2 3. TJM - TC = PDM * ZθJC(t) -4 10 -3 -2 -1 10 10 10 t1, Rectangular Pulse Duration [sec] www.onsemi.com 5 0 10 1 10 FCH041N65EF — N-Channel SuperFET® II FRFET® MOSFET Typical Performance Characteristics (Continued) FCH041N65EF — N-Channel SuperFET® II FRFET® MOSFET IG = const. Figure 15. Gate Charge Test Circuit & Waveform VDS RG V 10V GS RL VDS 90% VDD VGS DUT VGS 10% td(on) tr t on td(off) tf t off Figure 16. Resistive Switching Test Circuit & Waveforms VGS Figure 17. Unclamped Inductive Switching Test Circuit & Waveforms www.onsemi.com 6 + VDS _ I SD L Driver RG VGS VGS ( Driver ) Same Type as DUT VDD • dv/dt controlled by RG • ISD controlled by pulse period Gate Pulse Width D = -------------------------Gate Pulse Period 10V IFM , Body Diode Forward Current I SD ( DUT ) di/dt IRM Body Diode Reverse Current VDS ( DUT ) Body Diode Recovery dv/dt VSD VDD Body Diode Forward Voltage Drop Figure 18. Peak Diode Recovery dv/dt Test Circuit & Waveforms www.onsemi.com 7 FCH041N65EF — N-Channel SuperFET® II FRFET® MOSFET DUT ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. 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American Technical Support: 800−282−9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81−3−5817−1050 ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative www.onsemi.com LED 驱动控制专用电路 TM1668 一、 概述 TM1668是一种带键盘扫描接口的LED(发光二极管显示器)驱动控制专用IC,内部集成有MCU 数 字接口、数据锁存器、LED 驱动、键盘扫描等电路。本产品质量可靠、稳定性好、抗干扰能力强。 主要适用于家电设备(智能热水器、微波炉、洗衣机、空调、电磁炉)、机顶盒、电子称、智能电 表等数码管或LED显示设备。 二、 特性说明 • • • • • • • • • • • 采用CMOS工艺 多种显示模式(10 段×7 位 ~ 13段×4 位) 最大支持矩阵按键10×2 辉度调节电路(8 级占空比可调) 串行接口(CLK,STB,DIO) 振荡方式:内置RC振荡 内置上电复位电路 内置数据锁存电路 内置针对LED反偏漏电导致暗亮问题优化电路 抗干扰能力强 封装形式:SOP24、SSOP24、SDIP24 三、 管脚定义: DIO CLK STB K1 K2 VDD SEG1/KS1 SEG2/KS2 SEG3/KS3 SEG4/KS4 SEG5/KS5 SEG6/KS6 1 2 3 4 5 6 7 TM1668 8 (TOP VIEW) 9 10 11 12 ©Titan Micro Electronics 24 23 22 21 20 19 18 17 16 15 14 13 GRID1 GRID2 GND GRID3 GRID4 GRID5/SEG14 GRID6/SEG13 GRID7/SEG12 KS10/SEG10 KS9/SEG9 KS8/SEG8 KS7/SEG7 www.titanmec.com -1V2.0 LED 驱动控制专用电路 TM1668 四、管脚功能定义: 符号 管脚名称 管脚号 说明 DIO 数据输出输入 1 在时钟上升沿输入串行数据,从低位 开始。在时钟下降沿输出串行数据,从 低位开始。输出时为N管开漏输出,内 置13.3K  上拉电阻。 CLK 时钟输入 2 在上升沿读取串行数据,下降沿输出 数据。内置13.3K  上拉电阻 STB 片选输入 3 在下降沿初始化串行接口,随后等待 接收指令。STB为低后的第一个字节作 为指令,当处理指令时,当前其它处理 被终止。当STB为高时,CLK 被忽略。 内置13.3K  上拉电阻 K1~K2 键扫信号输入 4~5 输入该脚的数据在显示周期结束后被 锁存,内置7.2K  下拉电阻 SGE1/KS1~ SEG10/KS10 输出(段) 7~16 段输出(也用作键扫描输出),P管开 漏输出,内置4K  下拉电阻 GRID1~GRID4 输出(位) 24~23 21~20 位输出,N管开漏输出,内置2.7K  上 拉电阻 SEG12/DRID7 ~ SEG14/GRID5 输出(段/位) 19~17 段/位复用输出,只能选段或位输出 VDD 逻辑电源 6 接电源正 GND 逻辑地 22 接系统地 ©Titan Micro Electronics www.titanmec.com -2V2.0 LED 驱动控制专用电路 TM1668 五、指令说明: 指令用来设置显示模式和LED驱动器的状态。 在STB下降沿后由DIN输入的第一个字节作为指令。经过译码,取最高B7、B6两位比特位以区别不同的指令。 B7 0 0 1 1 B6 0 1 0 1 指令 显示模式命令设置 数据命令设置 显示控制命令设置 地址命令设置 如果在指令或数据传输时STB被置为高电平,串行通讯被初始化,并且正在传送的指令或数据无效 (之前传送 的指令或数据保持有效)。 (1) 显示模式命令设置: 该指令用来设置选择段和位的个数(4~7 位,10~13 段)。当该指令被执行时,显示被强制关闭。在 显示模式不变时,显存内的数据不会被改变,显示控制命令控制显示开关。上电时,默认显示模式为 7 位 10 段。 MSB LSB B7 B6 0 0 0 0 0 0 0 0 B5 B4 B3 B2 无关项,填 0 B1 B0 显示模式 0 0 1 1 0 1 0 1 4 位 13 段 5 位 12 段 6 位 11 段 7 位 10 段 (2) 数据命令设置: 该指令用来设置数据写和读,B1和B0位不允许设置01或11。 MSB LSB B7 B6 0 0 0 0 0 0 1 1 1 1 1 1 B5 B4 B3 B2 B1 B0 功能 说明 0 1 0 0 数据读写模式 设置 地址增加模式 设置 测试模式设置 (内部使用) 写数据到显示寄存器 读键扫数据 自动地址增加 固定地址 普通模式 测试模式 0 1 无关项, 填0 0 1 ©Titan Micro Electronics www.titanmec.com -3V2.0 LED 驱动控制专用电路 TM1668 (3) 显示控制命令设置: 该指令用来设置显示的开关以及显示亮度调节。共有8级辉度可供选择进行调节。 MSB LSB B7 B6 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 B5 B4 B3 无关项, 填0 B2 B1 B0 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 功能 消光数量设置 显示开关设置 说明 设置脉冲宽度为 1/16 设置脉冲宽度为 2/16 设置脉冲宽度为 4/16 设置脉冲宽度为 10/16 设置脉冲宽度为 11/16 设置脉冲宽度为 12/16 设置脉冲宽度为 13/16 设置脉冲宽度为 14/16 显示关 显示开 (4) 地址命令设置: 该指令用来设置显示寄存器的地址。 最多有效地址为14位(C0H-CDH),如果地址设为CEH或更高,数据被忽 略,直到有效地址被设定。上电时,地址默认设为C0H。 MSB LSB B7 B6 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 B5 B4 B3 B2 B1 B0 显示地址 无关项, 填0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 C0H C1H C2H C3H C4H C5H C6H C7H C8H C9H CAH CBH CCH CDH ©Titan Micro Electronics www.titanmec.com -4V2.0 LED 驱动控制专用电路 TM1668 六、 显示寄存器地址: 该寄存器存储通过串行接口接收从外部器件传送到TM1668的数据,最多有效地址从C0H-CDH共14字节单元, 分别与芯片SGE和GRID管脚对应,具体分配如图(2): 写LED显示数据的时候,按照显示地址从低位到高位,数据字节从低位到高位操作。 xxHL(低四位) B7 B0 B1 B2 SEG14 B6 SEG13 C0HL C2HL C4HL C6HL C8HL CAHL CCHL B5 SEG12 xxHU(高四位) B4 SEG10 B3 SEG9 B2 SEG8 B1 SEG7 B0 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 xxHL(低四位) X X X xxHU(高位) B3 B4 B5 B6 B7 C0HU C2HU C4HU C6HU C8HU CAHU CCHU C1HL C1HU GRID1 C3HL C3HU GRID2 C5HL C5HU GRID3 C7HL C7HU GRID4 C9HL C9HU GRID5 CBHL CBHU GRID6 CDHL CDHU GRID7 图(2) ▲注意:芯片显示寄存器在上电瞬间其内部保存的值可能是随机不确定的,此时客户直接发送开屏命令, 将有可能出现显示乱码。所以我司建议客户对显示寄存器进行一次上电清零操作,即上电后向14位显存地址 (C0H-CDH)中全部写入数据0x00。 七、 显示: 1、驱动共阴数码管: SEG1 SEG2 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG3 SEG4 GRID1 SEG5 SEG6 a b c f d ee f g dp a g d b com GRID1 c dp SEG7 SEG8 图(7) 图7给出共阴极数码管的连接示意图,如果让该数码管显示“0”,只需要向00H(GRID1)地址中从低位开 始写入0x3F数据即可,此时00H 对应每一个SEG1-SEG8的数据如下表格。 SEG8 0 B7 SEG7 0 B6 SEG6 1 B5 SEG5 1 B4 SEG4 1 B3 ©Titan Micro Electronics SEG3 1 B2 SEG2 1 B1 SEG1 1 B0 GRID1(C0H) www.titanmec.com -5V2.0 LED 驱动控制专用电路 TM1668 2、驱动共阳极数码管: GRID1 GRID2 GRID1 GRID2 GRID3 GRID4 GRID5 GRID6 GRID7 GRID3 GRID4 SEG1 GRID5 a b c f d ee f g a g d b com SEG1 c GRID6 GRID7 图(8) 图8给出共阳极数码管的连接示意图,如果让该数码管显示“0”,要向地址单元C0H(GRID1)、C2H(GRID2)、 C4H(GRID3)、C6H(GRID4)、C8H(GRID5)、CAH(GRID6)里面分别写数据01H,其余的地址CCH(GRID7)单元全部写数 据00H。每一个SEG1-SEG8对应的数据如下表格。 SEG8 0 0 0 0 0 0 0 B7 SEG7 0 0 0 0 0 0 0 B6 SEG6 0 0 0 0 0 0 0 B5 SEG5 0 0 0 0 0 0 0 B4 SEG4 0 0 0 0 0 0 0 B3 SEG3 0 0 0 0 0 0 0 B2 SEG2 0 0 0 0 0 0 0 B1 SEG1 1 1 1 1 1 1 0 B0 GRID1(C0H) GRID2(C2H) GRID3(C4H) GRID4(C6H) GRID5(C8H) GRID6(CAH) GRID7(CCH) ▲注意:无论是驱动共阴极数码管还是驱动共阳极数码管,SEG引脚只能接LED的阳极,GRID只能接LED的阴极,不 可反接。 八、 键扫描和键扫数据寄存器: KS10 KS9 KS8 KS7 KS6 KS5 KS4 KS3 KS2 KS1 该芯片最大支持的键扫矩阵为10×2bit,如下所示: K1 K2 图(3) 键扫数据储存地址如下所示,先发读按键命令后,开始读取5字节的按键数据BYTE1—BYTE5,读数据从低位开 始输出,其中B7和B6位为无效位固定输出为0。芯片K和KS引脚对应的按键按下时,相对应的字节内的BIT位为1。 ©Titan Micro Electronics www.titanmec.com -6V2.0 LED 驱动控制专用电路 B0 K1 B1 K2 KS1 KS3 KS5 KS7 KS9 B2 X B3 K1 B4 K2 KS2 KS4 KS6 KS8 KS10 B5 X B6 X 0 0 0 0 0 TM1668 B7 X 0 0 0 0 0 BYTE1 BYTE2 BYTE3 BYTE4 BYTE5 图(4) ▲注意:1、TM1668最多可以读5个字节,不允许多读。 2、读数据字节只能按顺序从BYTE1-BYTE5读取,不可跨字节读。例如:硬件上的K2与KS10对应按键 按下时,此时想要读到此按键数据,必须需要读到第5个字节的第5BIT位,才可读出数据。 九、按键: (1)按键扫描:键扫描由TM1668自动完成,不受用户控制,用户只需要按照时序读按键值。完成一次键扫 需要2个显示周期,一个显示周期大概需要T=4ms,在8ms内先后按下了2个不同的按键,2次读到的键值都是先按下 的那个按键的键值。 7位10段模式下,IC在上电后芯片内部扫描SEG1/KS1-SEG10/KS10的波形如图(10) : SEG1/KS1 SEG2/KS2 ..... ..... ..... SEG3/KS3 SEG8/KS8 SEG9/KS9 SEG10/KS10 66us 462us 4ms 4ms 图(10) 如图(10)可知,芯片内部按键扫描原理如下:芯片从SEG1/KS1开始逐渐扫描到SEG10/KS10结束,并且 SEG1/KS1-SEG8/KS8在一个周期内完成,SEG9/KS9-SEG10/KS10在下一个周期内完成。在发送读按键指令时,如果 SEG1/KS1-SEG10/KS10 端的按键扫描高电平通过按键引入K1/K2/K3引脚中,芯片内部会识别该高电平并且在读5 个字节的按键数据时,相应的BIT位会被置高。 ▲注意: 显示周期和IC工作的振荡频率有关,振荡频率不完全一致,以上数据仅供参考,以实际测量为 准。 ©Titan Micro Electronics www.titanmec.com -7V2.0 LED 驱动控制专用电路 TM1668 (2)按键复用: 复合按键的问题:SEG1/KS1-SEG10/KS10是显示和按键扫描复用的。以图(12)为例子, 显示需要D1亮,D2灭,需要让SEG1为“0”,SEG2为“1”状态,如果S1,S2同时被按下,相当于SEG1,SEG2被短路,这 时D1,D2都被点亮。 SGE1/KS1 S1 SGE2/KS2 D1 1 1 S2 D2 K1 GRID1 图(12) 解决方案: 1、在硬件上,可以将需要同时按下的键设置在不同的K线上面如图(13)所示, SGE1/KS1 1 1 S1 D1 D2 S2 GRID1 GRID2 K1 图(13) K2 2、串联二极管如图(14)所示。 SGE1/KS1 S1 SGE2/KS2 D1 1 1 S2 D2 K1 GRID1 图(14) ▲注意: 建议使用同一个KS不同的K键作为复合按键。 ©Titan Micro Electronics www.titanmec.com -8V2.0 LED 驱动控制专用电路 TM1668 十、串行数据传输格式: 读取和接收1个BIT都在时钟的上升沿操作。 数据接收(写数据) CLK DIO B0 B1 B2 B3 B4 B5 B6 B7 STB 图(5) 数据读取(读数据) CLK DIO B0 B1 B2 B3 B4 B5 B6 B7 B0 B1 B2 B3 B4 STB 发读按键命令 读取按键数据 Twait 图(6) ▲注意:1、读取数据时,从串行时钟CLK的第8个上升沿开始设置指令到CLK下降沿读数据之间需要一个等 待时间Twait(最小2μ S)。具体参数见时序特性表。 十一、 应用时串行数据的传输: (1) 地址增加模式 使用地址自动加1模式,设置地址实际上是设置传送的数据流存放的起始地址。起始地址命令字发送完 毕,“STB”不需要置高紧跟着传数据,最多14BYTE,数据传送完毕才将“STB”置高。 CLK DIO Command1 Command2 Command3 Data1 Data2 Data n ``````` Command4 STB Command1: 设置显示模式 Command2: 设置数据命令 Command3: 设置显示地址 Data1~ n: 传输显示数据至Command3地址和后面的地址内(最多14bytes) Command4: 显示控制命令 (2) 固定地址模式 使用固定地址模式,设置地址其实际上是设置需要传送的1BYTE数据存放的地址。地址发送完毕, “STB” 不需要置高,紧跟着传1BYTE数据,数据传送完毕才将“STB”置高。然后重新设置第2个数据需要存放的地址, 最多14BYTE数据传送完毕,“STB”置高。 CLK DIO Command1 Command2 Command3 Data1 Command4 Data2 ``````` Command5 STB Command1: 设置显示模式 ©Titan Micro Electronics www.titanmec.com -9V2.0 LED 驱动控制专用电路 TM1668 Command2: 设置数据命令 Command3: 设置显示地址1 Data1: 传输显示数据1至Command3地址内 Command4: 设置显示地址2 Data2: 传输显示数据2至Command4地址内 Command5: 显示控制命令 (3)读按键时序 CLK DIO Command1 Data1 Data2 Data3 Data4 Data5 STB Command1: 设置读按键命令 Data1~5:读取按键数据 ©Titan Micro Electronics www.titanmec.com - 10 V2.0 LED 驱动控制专用电路 TM1668 (4)采用地址自动加一和固定地址方式的程序设计流程图: 采用自动地址加一的程序设计流程图: 开始 设置读键数据 命 令 ( 42H) 初始化 No 读 1BTYE内 容 设置显示模 式 ( 03H) 将按键值存放在 MCU的 寄 存 器 中 设置写显存的数据命令, 采 用 地 址 自 动 加 1( 40H) 读 完 5BYTE 吗? 设置起始地 址 ( 0C0H) Yes No 传送数据 有按键被按 下吗? Yes 14BYTE数 据 传送完毕了? Yes 按键处理程 序 No 传显示控制命令设置脉 冲 宽 度 11/16( 8CH) 结束 ©Titan Micro Electronics www.titanmec.com - 11 V2.0 LED 驱动控制专用电路 TM1668 采用固定地址的程序设计流程图: 开始 传显示控制命令设置 脉 冲 宽 度 11/16( 8CH) 初始化 设置读键数据 命 令 ( 42H) No 设置显示模 式 ( 03H) 读 1BTYE内 容 设置写显存的数据命令 采 用 固 定 地 址 ( 44H) 将按键值存放在 MCU的 寄 存 器 中 设置地址 ( 0C0H) 读完5 BYTE吗 ? 传 送 1BYTE 数据 Yes 重新设置地 址 ( 0C1H) 有按键被按 下吗? Yes 传 送 1BYTE 数据 按键处理程 序 ……传 完 所 有的数据 No 结束 ©Titan Micro Electronics www.titanmec.com - 12 V2.0 LED 驱动控制专用电路 TM1668 十二、应用电路: TM1668驱动共阴数码屏硬件电路图(18) SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 a b c f d ee f g dp a g b GRID7 c d dp SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 a b c f d ee f g dp SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 a b c f d ee f g dp a g b GRID6 c d dp a g d b GRID3 c dp SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 a b c f d ee f g dp SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 a b c f d ee f g dp a g b GRID5 c d dp a g d b GRID2 c dp SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 a b c f d ee f g SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 a b c f d ee f g dp a g b GRID4 c d dp dp a g d b GRID1 c dp MCU接口 VCC 1 2 3 DIO CLK STB 100P 100P 100P GND VCC SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 DIO GRID1 CLK GRID2 TM1668 STB GND K1 GRID3 K2 GRID4 SEG14/GRID5 VDD SEG1/KS1 SEG13/GRID6 SEG2/KS2 SEG12/GRID7 SEG3/KS3 SEG10/KS10 SEG4/KS4 SGE9/KS9 SEG5/KS5 SEG8/KS8 SEG6/KS6 SEG7/KS7 GRID1 GRID2 GRID3 GRID4 GRID5 GRID6 GRID7 SEG10 SEG9 SEG8 SEG7 47uF 104 GND GND SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 图(18) ©Titan Micro Electronics www.titanmec.com - 13 V2.0 LED 驱动控制专用电路 TM1668 TM1668驱动共阳数码屏硬件电路图(19) GRID1 GRID2 GRID3 GRID4 GRID5 GRID6 GRID7 a b c f d ee f g GRID1 GRID2 GRID3 GRID4 GRID5 GRID6 GRID7 a b c f d ee f g a g b SEG1 c d a g d b SEG5 c GRID1 GRID2 GRID3 GRID4 GRID5 GRID6 GRID7 a b c f d ee f g GRID1 GRID2 GRID3 GRID4 GRID5 GRID6 GRID7 a b c f d ee f g a g b SEG2 c d a g d b SEG6 c GRID1 GRID2 GRID3 GRID4 GRID5 GRID6 GRID7 a b c f d ee f g GRID1 GRID2 GRID3 GRID4 GRID5 GRID6 GRID7 a b c f d ee f g GRID1 GRID2 GRID3 GRID4 GRID5 GRID6 GRID7 a b c f d ee f g a g b SEG3 c d a g b SEG7 c d a g d b SEG9 c GRID1 GRID2 GRID3 GRID4 GRID5 GRID6 GRID7 a b c f d ee f g GRID1 GRID2 GRID3 GRID4 GRID5 GRID6 GRID7 a b c f d ee f g GRID1 GRID2 GRID3 GRID4 GRID5 GRID6 GRID7 a b c f d ee f g a g b SEG4 c d a g b SEG8 c d a g d b SEG10 c MCU接口 VCC 1 2 3 DIO CLK STB VCC 100P 100P 100P GND SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 DIO GRID1 CLK GRID2 STB TM1668 GND K1 GRID3 K2 GRID4 VDD SEG14/GRID5 SEG1/KS1 SEG13/GRID6 SEG2/KS2 SEG12/GRID7 SEG3/KS3 SEG10/KS10 SGE9/KS9 SEG4/KS4 SEG8/KS8 SEG5/KS5 SEG7/KS7 SEG6/KS6 GRID1 GRID2 GRID3 GRID4 GRID5 GRID6 GRID7 SEG10 SEG9 SEG8 SEG7 47uF 104 GND GND SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 图(19) ▲注意:1、VDD、GND之间滤波电容在PCB板布线应尽量靠近TM1668芯片放置,加强滤波效果。 2、连接在DIO、CLK、STB通讯口上下拉三个100pF电容可以降低对通讯口的干扰。 3、因蓝光数码管的导通压降压约为3V,因此TM1668供电应选用5V。 ©Titan Micro Electronics www.titanmec.com - 14 V2.0 LED 驱动控制专用电路 TM1668 十三、 电气参数: 极限参数(Ta = 25℃, Vss = 0V) 参数 符号 范围 单位 逻辑电源电压 VDD -0.5 ~+7.0 V 逻辑输入电压 VI1 -0.5 ~ VDD + 0.5 V LED SEG 驱动输出电流 IO1 -50 mA LED GRID 驱动输出电流 IO2 +200 mA 功率损耗 PD 400 mW 工作温度 Topt -40 ~ +80 ℃ 储存温度 Tstg -65 ~+150 ℃ 正常工作范围(Ta = -20 ~ +80℃,Vss = 0V) 参数 符号 最小 典型 最大 单位 测试条件 逻辑电源电压 VDD 3 5 6 V - 高电平输入电压 VIH 0.7 VDD - VDD V - 低电平输入电压 VIL 0 - 0.3 VDD V - ©Titan Micro Electronics www.titanmec.com - 15 V2.0 LED 驱动控制专用电路 TM1668 电气特性(Ta = -20 ~ +80℃,VDD = 5V, VSS = 0V) 参数 符号 最小 典型 最大 单位 测试条件 高电平输出电流 Ioh1 20 35 60 mA SEG1~SEG10, Vo = VDD -3V 低电平输入电流 IOL 80 120 - mA GRID1~GRID7 Vo=0.3V 低电平输出电流 Idout 3 - - mA Vo = 0.4V,Dout 高电平输出电流容 许量 Itolsg - - 5 % Vo = VDD – 3V, SEG1~SEG10 高电平输入电压 VIH 0.7 VDD - V CLK,DIO,STB 低电平输入电压 VIL - - V CLK,DIO,STB 0.3 VDD 开关特性(Ta = -20 ~ +80℃,VDD = 5V) 参数 传输延迟时间 符号 最小 典型 最大 单位 测试条件 tPLZ - - 300 ns CLK → DOUT tPZL - - 100 ns CL = 15pF, RL = 10K Ω - - 2 μ s tTZH 1 SEG1~SEG10 CL = 300p F 上升时间 - - 0.5 μ s GRID1~GRID4 SEG12/Grid7~ SEG14/Grid5 tTHZ - - 1.5 μ s CL = 300pF,SEGn,GRIDn 最大输入时钟频 率 Fmax - - 1 MHz 占空比50% 输入电容 CI - - 15 pF - tTZH 下降时间 2 ©Titan Micro Electronics www.titanmec.com - 16 V2.0 LED 驱动控制专用电路 TM1668 时序特性(Ta = -20 ~ +80℃,VDD = 5V) 参数 符号 最小 典型 最大 单位 测试条件 时钟脉冲宽度 PWCLK 500 - - ns - 选通脉冲宽度 PWSTB 1 - - μ s - 数据建立时间 tSETUP 100 - - ns - 数据保持时间 tHOLD 100 - - ns - CLK →STB 时间 tCLK-STB 1 - - μ s CLK↑→STB↑ 时序波形图: ©Titan Micro Electronics www.titanmec.com - 17 V2.0 LED 驱动控制专用电路 TM1668 十四、IC 封装示意图: SOP24 ©Titan Micro Electronics www.titanmec.com - 18 V2.0 LED 驱动控制专用电路 TM1668 SSOP24 ©Titan Micro Electronics www.titanmec.com - 19 V2.0 LED 驱动控制专用电路 TM1668 SDIP24 All specs and applications shown above subject to change without prior notice. (以上电路及规格仅供参考,如本公司进行修正,恕不另行通知。) ©Titan Micro Electronics www.titanmec.com - 20 V2.0
FCH041N65EF-F155 价格&库存

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FCH041N65EF-F155

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    FCH041N65EF-F155
    •  国内价格
    • 1+121.42332
    • 2+97.80869
    • 4+92.49744

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