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參數(shù)資料
| 型號： | MM908E621ACDWB |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 30/60頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC QUAD HALF BRDG TRPL SW 54SOIC |
| 標準包裝： | 26 |
| 應用： | 自動鏡像控制 |
| 核心處理器： | HC08 |
| 程序存儲器類型： | 閃存（16 kB） |
| 控制器系列： | 908E |
| RAM 容量： | 512 x 8 |
| 接口： | SCI，SPI |
| 輸入/輸出數(shù)： | 12 |
| 電源電壓： | 9 V ~ 16 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 54-BSSOP（0.295"，7.50mm 寬）裸露焊盤 |
| 包裝： | 管件 |
| 供應商設(shè)備封裝： | 54-SOICW-EP |
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Analog Integrated Circuit Device Data
36
Freescale Semiconductor
908E621
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
H0EN — H0 Input 2-pin Hall-effect sensor Enable Bit
This read/write bit enables the 2-pin hall-effect sensor
sense circuitry. Reset clears H0EN bit.
1 = Hall-port H0 is switched on and sensed
0 = Hall-port H0 disabled
H0PD — Hall-port Pull-up Disable Bit
This read/write bit disables the H0 Pull-up resistor. Reset
clears H0PD bit.
1 = Hall-port pull-up resistor on H0 disabled
0 = Hall-port pull-up resistor on H0 enabled
H0MS — H0 Mode Select
These read/write bits select the mode of the H0 input
Reset clears H0MS bit.
1 = H0 is 2-pin hall-sensor input
0 = H0 is general purpose input
Half-bridge Outputs
Outputs HB1:HB4 provide four low-resistive half-bridge
output stages. The half-bridges can be used in H-bridge, high
side or low side configurations.
Reset clears all bits in the H-bridge Output Register
(HBOUT) owing to the fact that all half-bridge outputs are
switched off.
HB1:HB4 output features
Short-circuit (over-current) protection on high side and
low side MOSFETs
Current recopy feature (low side MOSFET)
Over-temperature protection
Over-voltage and under-voltage protection
Active clamp on low side MOSFET
Figure 22. Half-bridge Push-Pull Output Driver
Half-bridge Control
Each output MOSFET can be controlled individually. The
general enable of the circuitry is done by setting PSON in the
System Control Register (SYSCTL). The HBx_L and HBx_H
bits form one half-bridge. It is not possible to switch on both
MOSFETs in one half-bridge at the same time. If both bits are
set, the high side MOSFET is in PWM mode.
To avoid both MOSFETs (high side and low side) of one
half-bridge being on at the same time, a break-before-make
circuit exists. Switching the high side MOSFET on is inhibited
as long as the potential between gate and VSS is not below a
certain threshold. Switching the low side MOSFET on is
blocked as long as the potential between gate and source of
the high side MOSFET did not fall below a certain threshold.
High Side Driver
Charge Pump
Over-temperature Protection
Over-current Protection
Low Side Driver
Current Recopy
Current Limitation
Active Clamp
Over-current Protection
Control
On/Off
Status
On/Off
Status
PWM
HBx
VSUP
GND
PWM
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| MM908E621ACDWB/R2 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half-bridge and Triple High Side with Embedded MCU and LIN for High End Mirror |
| MM908E621ACDWBR2 | 功能描述:8位微控制器 -MCU QUAD HB / TRIPLE HS 841B RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
| MM908E621ACPEK | 功能描述:8位微控制器 -MCU QUAD H-B/3-HS W/MCU & LI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
| MM908E621ACPEKR2 | 功能描述:8位微控制器 -MCU QUAD HB AND TRIPLE HS RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
| MM908E622 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Quad Half-Bridge, Triple High-Side and EC Glass Driver with Embedded MCU and LIN for High End Mirror |
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