參數(shù)資料
型號(hào)： MCZ33976EG
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述： Dual Gauge Driver with Configurable esponse Time
中文描述： 雙計(jì)驅(qū)動(dòng)器，可配置esponse時(shí)間
文件頁(yè)數(shù)： 25/41頁(yè)
文件大?。?/td> 551K
代理商： MCZ33976EG
Analog Integrated Circuit Device Data
Freescale Semiconductor
25
33976
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
The bits in
Table 28
are
read-only
bits.
1V7:1V0 (OD15:OD8) — These 8 bits represent the step
table value that indicates the actual velocity step location
(refer to
Table 30
, page
28
) of the Gauge 1 pointer at the
time that the
CS
transitions to a logic [0].
Note
For both sets of bits,1V7:1V0 and 0V7:0V0, if the
ramp is truncated with the RMPSELR, the velocity position
step that will be read when the pointer is no longer moving will
be the velocity position that identifies it in the untruncated
ramp (e.g., if RS = 2, then the velocity step location will be 3
when the pointer is at the commanded position).
0V7:0V0 (OD7:OD0) — These 8 bits represent the step
table value that indicates the actual velocity step location
(refer to
Table 30
) of the Gauge 0 pointer at the time that the
CS
transitions to a logic [0].
STATE MACHINE OPERATION
The two-phase step motor has maximum allowable
velocities and acceleration and deceleration.The purpose of
the step motor state machine is to drive the motor with
maximum performance while remaining within the motor’s
voltage, velocity, and acceleration constraints.
A requirement of the state machine is to ensure the
deceleration phase begins at the correct time and pointer
position. When commanded, the motor will accelerate
constantly to the maximum velocity, then move toward the
commanded position. Eventually, the pointer will reach the
calculated location where the movement has to decelerate,
slowing safely to a stop at the desired position. During the
deceleration phase, the motor will not exceed the maximum
deceleration.
During normal operation, both step motor rotors are
microstepped with 24 steps per electrical revolution (see
Figure 9
). A complete electrical revolution results in two
degrees of pointer movement. There is a second (smaller)
state machine in the IC controlling these microsteps. This
state machine receives
clockwise
or
counter-clockwise
index
commands at intervals, stepping the motor in the appropriate
direction by adjusting the current in each coil. Normalized
values are provided in
Table 29
, page
26
.
Table 28. Gauge 0 and 1 Pointer Velocity Status Output Register
Bits
OD15
OD14
OD13
OD12
OD11
OD10
OD9
OD8
OD7
OD6
OD5
OD4
OD3
OD21
OD1
OD0
Read
1V7
1V6
1V5
1V4
1V3
1V2
1V1
1V0
0V7
0V6
0V5
0V4
0V3
0V2
0V1
0V0
Write
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCZ33976EG 制造商:Freescale Semiconductor 功能描述:IC STEPPER MOTOR GUAGE DRIVER SPI
MCZ33976EG/R2 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Dual Gauge Driver with Configurable Response Time
MCZ33976EGR2 功能描述:功率驅(qū)動(dòng)器IC CONFIG DUAL GAUGE DR 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(shí)間: 下降時(shí)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
MCZ33977EG 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 SINGLE GAUGE DR. LG PTR RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
MCZ33977EG 制造商:Freescale Semiconductor 功能描述:IC STEPPER MOTOR GAUGE DRIVER SPI
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