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參數(shù)資料
| 型號(hào)： | CS4122XDWFR24 |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 5/9頁 |
| 文件大小： | 0K |
| 描述： | IC DRIVER TRIPLE AIR CORE 24SOIC |
| 產(chǎn)品變化通告： | Product Discontinuation 27/Jun/2007 |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | 驅(qū)動(dòng)器 |
| 驅(qū)動(dòng)器/接收器數(shù)： | 3/0 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-SOIC |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | CS4122XDWFR24OS |
CS4122
http://onsemi.com
5
APPLICATIONS INFORMATION
THEORY OF OPERATION
The CS4122 is for interfacing between a microcontroller
or microprocessor and aircore meters commonly used in
automotive vehicles for speedometers, tachometers and
auxiliary gauges. These meters are built using 2 coils placed
at 90
° orientation to each other. A magnetized disc floats in
the middle of the coils and responds to the magnetic field
generated by each coil. The disc has a shaft attached to it that
protrudes out of the assembly. A pointer indicator is attached
to this shaft and in conjunction with a separate printed scale
displays the vehicle’s speed, engine’s speed or other
information such as fuel quantity or battery voltage.
The disc (and pointer) respond to the vector sum of the
voltages applied to the coils. Ideally, this relationship
follows a sine/cosine equation. Since this is a transcendental
and nonlinear function, devices of this type use an
approximation for this relationship. The CS4122 uses a
tangential algorithm as shown in Figure 2 for the major
(360
°) gauge. Only one output varies in any 45° range.
Note: The actual slopes are segmented but are shown here
as straight lines for simplicity.
SIN+
Output
Max(128)
SIN
Output
COS+
Output
COS
Output
Max(128)
Min(0)
0
°
45
°
90
°
135
°
180
°
225
°
270
°
315
° 360°
000
001
010
011
100
101
110
111
000
MUX bits (D9D7)
Degrees of Rotation
Figure 2. Major Gauge Outputs
Quadrant I
q + Tan1
(VSIN
)) * (VSIN*)
(VCOS
)) * (VCOS*)
For
q + 0.176°to 44.824° :
VSIN + Tanq
0.748
VBB
VCOS + 0.748
VBB
For
q + 45.176°to 89.824° :
VSIN + 0.748
VBB
VCOS + Tan(90° * q)
0.748
VBB
Quadrant II
q + 180° * Tan1
(VSIN
)) * (VSIN*)
(VCOS
)) * (VCOS*)
For
q + 90.176°to 134.824° :
VSIN + 0.748
VBB
VCOS +*Tan (q * 90°)
0.748
VBB
For
q + 135.176°to 179.824° :
VSIN + Tan(180° * q)
0.748
VBB
VCOS +*0.748
VBB
Quadrant III
q + 180° ) Tan1
(VSIN
)) * (VSIN*)
(VCOS
)) * (VCOS*)
For
q + 180.176°to 224.824° :
VSIN +*Tan (q * 180°)
0.748
VBB
VCOS +*0.748
VBB
For
q + 225.176°to 269.824° :
VSIN +*0.748
VBB
VCOS +*Tan (270° * q)
0.748
VBB
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| CS4122XDWFR24G | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 Air Core Gauge DRVR w/Serial Bus Input 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 |
| CS4124 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Side PWM FET Controller |
| CS4124/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:High Side PWM FET Controller |
| CS-4124N16 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC Motor Controller/Driver |
| CS4124YN16 | 功能描述:IC REG CTRLR BST PWM 16-DIP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
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