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參數(shù)資料
| 型號(hào)： | MM908E621ACDWB |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | Integrated Quad Half-Bridge and Triple High-Side with Embedded MCU and LIN for High End Mirror |
| 中文描述： | 綜合四半橋和三高的嵌入式微控制器和LIN高端側(cè)鏡 |
| 文件頁數(shù)： | 22/62頁 |
| 文件大?。?/td> | 540K |
| 代理商： | MM908E621ACDWB |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
22
908E621
FUNCTIONAL DESCRIPTION
FUNCTIONAL TERMINAL DESCRIPTION
EXTERNAL RESET TERMINAL (
RST
)
A logic [0] on the
RST
terminal forces the MCU to a known
startup state.
RST
is bidirectional, allowing a reset of the
entire system. It is driven LOW when any internal reset
source is asserted.
This terminal contains an internal pullup resistor that is
always activated, even when the reset terminal is pulled
LOW.
For details refer to the 68HC908EY16 datasheet.
POWER SUPPLY TERMINALS (VSUP1:VSUP8)
VSUP1:VSUP8 are device power supply terminals. The
nominal input voltage is designed for operation from 12 V
systems. Owing to the low ON-resistance and current
requirements of the half-bridge driver outputs and high-side
output drivers, multiple VSUP terminals are provided.
All VSUP terminals must be connected to get full chip
functionality.
POWER GROUND TERMINALS (GND1:GND4)
GND1:GND4 are device power ground connections.
Owing to the low ON-resistance and current requirements of
the half-bridge driver outputs and high-side output drivers,
multiple terminals are provided.
GND1 and GND2 terminals must be connected to get full
chip functionality.
HALF-BRIDGE OUTPUT TERMINALS (HB1:HB4)
The 908E621 device includes power MOSFETs
configured as four half-bridge driver outputs. The HB3:HB4
have a lower R
DS(ON)
, to run higher currents (e.g. fold motor),
than the HB1:B2 outputs.
The HB1:HB4 outputs are short-circuit and
overtemperature protected, and they feature current recopy.
Over current protection is done on both high-side and low-
side FET’s. The current recopy are done on the low-side
MOSFETs.
HIGH-SIDE OUTPUT TERMINALS (HS1:HS3)
The HS output terminals are a low R
DS(ON)
high-side
switches. Each HS switch is protected against
overtemperature and overcurrent. The output is capable of
limiting the inrush current with an automatic PWM or feature
a real PWM capability using the PWM input.
The HS1 has a lower R
DS(ON)
, to run higher currents (e.g.
heater), than the HS2 and HS3 outputs.
For the HS1 two terminals (HS1a:HS1b) are necessary for
the current capability and have to be connected externally.
Important:
The HS3 can be only used to drive resistive
loads.
HALL-EFFECT SENSOR INPUT TERMINAL (H0)
The Hall-effect sensor input terminal H0 provides an input
for Hall-effect sensors (2pin or 3pin) or a switch.
ANALOG INPUT TERMINALS (A0, A0CST)
These terminals are analog inputs with selectable current
source values. The A0CST is intent to trim the A0 input.
WAKE-UP INPUT TERMINAL (L0)
This terminal is 40V rated input. It can be used as wake-up
source for a system wake-up. The input is falling or rising
edge sensitive.
Important:
If unused this terminal should be connected to
VSUP or GND to avoid parasitic transitions. In Low Power
Mode this could lead to random wake-up events.
SWITCHABLE V
DD
OUTPUT TERMINAL (HVDD)
The HVDD terminal is a switchable V
DD
output for driving
resistive loads requiring a regulated 5.0 V supply; e.g.,
3-terminal Hall-effect sensors or potentiometers. The output
is short-circuit protected.
LIN BUS TERMINAL (LIN)
The LIN terminal represents the single-wire bus
transmitter and receiver. It is suited for automotive bus
systems and is based on the LIN bus specification.
+5.0 V VOLTAGE REGULATOR OUTPUT
TERMINAL (VDD)
The VDD terminal is needed to place an external capacitor
to stabilize the regulated output voltage. The VDD terminal is
intended to supply the embedded microcontroller.
Important
The VDD terminal should not be used to
supply other loads; use the HVDD terminal for this purpose.
The VDD, EVDD and VDDA/VREFH terminals must be
connected together.
VOLTAGE REGULATOR GROUND TERMINAL
(VSS)
The VSS terminal is the ground terminal for the connection
of all non-power ground connections (microcontroller and
sensors).
Important
VSS, EVSS and VSSA/VREFL
terminals must be connected together.
RESET TERMINAL (
RST_A
)
RST_A
is the bidirectional reset terminal of the analog die.
It is an open drain with pullup resistor and must be connected
to the
RST
terminal of the MCU.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)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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