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參數(shù)資料
| 型號： | TPIC43T02DAR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, PDSO38 |
| 封裝： | PLASTIC, TSSOP-38 |
| 文件頁數(shù)： | 16/29頁 |
| 文件大?。?/td> | 463K |
| 代理商： | TPIC43T02DAR |
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TPIC43T01, TPIC43T02
THREE-PHASE BRUSHLESS MOTOR RPM CONTROLLERS
SLIS098 – APRIL 2000
23
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
EEPROM programming
Figure 18 presents the sequence of events required to program the onboard EEPROM. To begin the procedure,
the device must be placed into test mode by setting VPP to GND, TEST to VDD and VCC > 8 V. The SIENB input
must transition high to enable the serial input port (see Figure 19). Serial data is clocked into SI on the rising
edges of SCLK. Sixteen bits of data must be transferred during each serial transfer and SIENB must be set to
0 after the sixteenth clock. The first two bits transferred select the EEPROM address to be manipulated. Address
bit A0 is the least significant bit (LSB). The third bit sets the interface into read or write mode. A 1 selects a read
operation from the EEPROM and a 0 selects a write operation to the EEPROM. Set the next five unused bits
to 0. The next 8 bits of data are used for write operations, and are unused and should be set to zero for read
operations. The definition of the data word is presented in Table 7. SIENB must be set to 0 after the 16-bit transfer
has been completed. When new data is being programmed into the EEPROM, the VPP pin must transition to
13.5 V for at least 5 ms and then back to GND (see Figure 20). This completes the serial transfer and
programming sequence. Another transfer can begin using the same procedure. Only one register can be
programmed at a time. The TEST pin must be set to 0 after programming has been completed to disable the
serial test mode and reconfigure the multipurpose pins for normal operation.
Start
Set VPP = GND; Set TEST = VDD, VCC > 8 V
Set SIENB = H
Shift Address and Data into SI
Set SIENB = L
Ramp VPP to 13.5 V then back to GND
Figure 18. Recommended EEPROM Programming Sequence
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| TPIC44H01DARG4 | 功能描述:功率驅(qū)動器IC 4Ch Ser/Para High- Side Pre-FET Drvr RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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