FT1128Q

DATASHEET 峰岹科技（深圳）有限公司 ISO9001 质量管控文件 FT1128 Datasheet 文件版本管制 版本 修订者 V1.0 陈思军 正式版 2017/12/1 V1.1 陈思军 修改包装信息 2017/12/12 V1.2 陈思军 Page5：PWM input frequency 改为 1~80khz 2017/12/15 V1.3 梁盛林 增加 QFN28 封装 2018/04/10 V1.4 李坤 增加功能描述 1.上电逻辑； 12.可烧录一次 2021/01/20 会签单位 主要修改内容 签核人员 研发部 品质部 应用部 最终核准 www.fortiortech.com 生效日期 审核/批准 签核时间 FT1128T/Q ` Three Phase sinusoidal BLDC Motor Controller Description Feature The FT1128 is a Three Phase sinusoidal Brushless DC (BLDC) Motor controller with a built-in driver. It comes with Hall insensitive sensor design providing both SVPWM and BLDC drive with constant/variable lead angle. Open/Closed loop speed adjustment can be achieved through either direct-PWM or analog voltage, initiated by soft-start. Speed indicator is provided through a Frequency Generator output, generating digital pulse with a configurable frequency proportional to the speed of the motor. ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ Protection functions of FT1128 are comprehensive including lock protection and automatic recovery, under voltage, thermal shutdown and current limit protections. These prevent the control circuits and the motor from being damaged, particularly under stressed applications and demanding environments. ⚫ ⚫ ⚫ Selectable SVPWM (sine-wave) or BLDC (120°) drives Hall sensor/ Hall IC input supported 180°sinusoidal drive, for high efficiency and low acoustic noise Intelligent Soft-start Constant/Variable lead angle control Open/Closed loop speed adjustment can be selected (direct-PWM and analog voltage control). FG (Frequency Generator) Current limit protection Over current protection(FT1128Q) Built-in lock protection and automatic recovery circuit Built-in thermal shutdown protection (TSD) Block Diagram VDD5 VREG10 FG VCC LDO FG2 VCC FG RD VSS LDO High Side Driver UH VH WH Low Side Driver UL VL WL FR BRAKE vref SPEED/PWM ISENSE VDC_DETE xa ADC RPI ADC TDA Control Engine xa ADC Control Engine FR SPEED/PWM VDD5 VREG10 VSS High Side Driver UH VH WH Low Side Driver UL VL WL vref2 ILIMIT ITRIP vref1 ISENSE ADC Lock Protection Hall Signal TSD UVLO HA_INN HA_INP HB_INN HB_INP HC_INN HC_INP FT1128T Block Diagram Lock Protection Hall Signal TSD UVLO FT1128Q Block Diagram www.fortiortech.com HA_INN HA_INP HB_INN HB_INP HC_INN HC_INP FT1128T/Q ` Pin Assignment TSSOP20 VSS VDD5 SPEED/PWM FR FG HC_INN HC_INP HB_INN HB_INP HA_INN 1 2 3 4 5 6 7 8 9 10 FT 1128 VCC VREG10 UH VH WH UL VL WL ISENSE HA_INP 20 19 18 17 16 15 14 13 12 11 Pin Configuration PIN NO. PIN Name Type 1 VSS Ground 2 VDD5 O Digital power output, LDO DC5V output for digital signal. 3 SPEED/PWM I Speed control input 4 FR I Motor rotation direction input 5 FG O Open drain. Frequency Generator, speed signal output. 6 HC_INN I Hall C - Sensor Input. Phase-W magnetic field detection. 7 HC_INP I Hall C + Sensor Input. Phase-W magnetic field detection. 8 HB_INN I Hall B - Sensor Input. Phase-V magnetic field detection. 9 HB_INP I Hall B + Sensor Input. Phase-V magnetic field detection. 10 HA_INN I Hall A - Sensor Input. Phase-U magnetic field detection. 11 HA_INP I Hall A + Sensor Input. Phase-U magnetic field detection. 12 ISENSE I Current limit & Lead angle analog input 13 WL O Low side phase W NMOS driver 14 VL O Low side phase V NMOS driver 15 UL O Low side phase U NMOS driver 16 WH O High side phase W PMOS driver. 17 VH O High side phase V PMOS driver. 18 UH O High side phase U PMOS driver. 19 VREG10 O LDO output 20 VCC POWER Rev1.4 Description Signal and power ground. Power supply 2 www.fortiortech.com FT1128T/Q ` Pin Assignment 22 WL 23 VL 24 UL 25 WH 26 VH 27 UH 28 VREG10 QFN28 VCC 1 21 ITRIP VSS 2 20 ISENSE VDD5 3 19 HA_INP RPI 4 VDC_DETE 5 BRAKE 6 16 HB_INN SPEED/PWM 7 15 HC_INP 18 HA_INN 17 HB_INP HC_INN 14 TDA 13 FG2 12 FG 11 RD 10 F_R 8 ILIMIT 9 FT1128Q Top View Pin Configuration PIN NO. PIN Name Type 1 VCC POWER Power supply 2 VSS Ground Signal and power ground. 3 VDD5 O Digital power output, LDO DC 5V output for digital signal. 4 RPI I Soft start duty setting 5 VDC_DETE I Power supply over voltage and under voltage detection input 6 BRAKE I Brake signal input, Low: Brake. Internal pull-up. 7 SPEED/PWM I Speed control input 8 FR I Motor rotation direction input 9 ILIMIT I Current limit analog input 10 RD O Open drain. Motor rotate detection output. 11 FG O Open drain. Frequency Generator, speed signal output. 12 FG2 O Open drain. Frequency Generator, HALL B signal output. 13 TDA I Thermal Detection input 14 HC_INN I Hall C - Sensor Input. Phase-W magnetic field detection. 15 HC_INP I Hall C + Sensor Input. Phase-W magnetic field detection. 16 HB_INN I Hall B - Sensor Input. Phase-V magnetic field detection. 17 HB_INP I Hall B + Sensor Input. Phase-V magnetic field detection. 18 HA_INN I Hall A - Sensor Input. Phase-U magnetic field detection. 19 HA_INP I Hall A + Sensor Input. Phase-U magnetic field detection. 20 ISENSE I Current limit & Lead angle analog input 21 ITRIP I Current limit & over current protection input pin 22 WL O Low side phase W NMOS driver 23 VL O Low side phase V NMOS driver 24 UL O Low side phase U NMOS driver 25 WH O High side phase W PMOS driver. 26 VH O High side phase V PMOS driver. 27 UH O High side phase U PMOS driver. 28 VREG10 O LDO output Rev1.4 Description 3 www.fortiortech.com FT1128T/Q ` Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may damage the device. The device may be damaged or may not function or be operational above these ratings and stressing the device to/above these levels is not recommended. Fortior does not recommend exceeding or designing about the Absolute Maximum Ratings. Parameter Symbol Condition Ratings Unit Power supply voltage Vccmax 30.0 V RD\FG output current IRDFGmax 10 mA VRDFG max 5.5 V Operating temperature Topr -40~+125 ℃ Storage temperature Tstg -65~+150 ℃ RD\FG output pin withstand voltage Recommended Operating Conditions The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating conditions are specified to ensure optimal performance to the datasheet specifications. Symbol Power supply voltage Rev1.4 Parameter Min. Typ. Max. Unit Vcc 3.7 12 28 V 4 www.fortiortech.com FT1128T/Q ` Electrical Characteristics For guaranteed specifications and test conditions, consult the Electrical Characteristics. Unless otherwise specified, Ta=25℃，VCC=12V Parameter Power supply current Symbol Icc Condition Working Ratings Unit Min. Typ. Max. - 10 15 4.9 5 5.1 V 10 mA mA VDD5 LDO Regulator voltage VDD5 Regulator output current Iv5out VDD5=5V - 10V Regulator Block Regulator voltage Vreg10 Regulator output current Iv10out 9.5 Vreg10=10V 10.0 - 10.5 V 10 mA Analog I/O Section*Note1,*2 Analog Input range 0 - 5.3 V - 10 20 mV Hall Input Pin*Note2 Hall sensor input sensitivity VHN Zero peak value (including offset and hysteresis) Digital Input Section*Note3 High-level input voltage Vdinh 2.5 - 5.3 V Low-level input voltage Vdinl 0 - 2.0 V Fpwm 1 80 kHz SPEED – PWM DIGITAL MODE PWM input frequency HP(High Side PMOS Driver) *Note4 Output high voltage HVoh Sink current = 20mA Output low voltage HVol Source current = 20mA 11.2 11.5 12 V - 3 5 V Source Current Io+ - 150 - mA Sink Current Io- - 90 - mA 8.5 10 11 V - 0 0.3 V LN(Low Side NMOS Driver) *Note5 Output high voltage LVoh Sink current = 20mA Output low voltage LVol Source current = 20mA Source Current Io+ - 150 - mA Sink Current Io- - 180 - mA - 0.1 0.2 V TSD - 150 - ℃ △TSD - 30 - ℃ RD\FG\FG2 Output Pin RD\FG output pin low-level voltage VRD_FG When Io=5mA Thermal Protection Circuit Thermal protection circuit operating temperature Temperature hysteresis width 1.Note1: SPEED、ISENSE、 ILIMIT、 ITRIP、VDC_DETE、TDA 2. Note2: HA_INN、HA_INP、HB_INN、HB_INP、HC_INN、HC_INP、 3. Note3: FR、PWM. 4. Note4: UH、VH、WH 5. Note5: UL、VL、WL Rev1.4 5 www.fortiortech.com FT1128T/Q ` Functional Description and Notes Please read the following notes before designing driver circuits with FT1128. 1. Power Up Sequence Upon powering up of IC, VCC needs to rise to 3V and above within 30ms; Any IO input control sequence must not be connected before VCC is stable. VCC 3V VSS Tpower_up