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5275 の電気的特性と機能

5275のメーカーはAllegro MicroSystemsです、この部品の機能は「COMPLEMENTARY OUTPUT POWER HALL LATCH」です。


製品の詳細 ( Datasheet PDF )

部品番号 5275
部品説明 COMPLEMENTARY OUTPUT POWER HALL LATCH
メーカ Allegro MicroSystems
ロゴ Allegro MicroSystems ロゴ 




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5275 Datasheet, 5275 PDF,ピン配置, 機能
5275
COMPLEMENTARY OUTPUT
5275POWERHALL® LATCH
COMPLEMENTARY OUTPUT
POWER HALL® LATCH
Type UGN5275K latching Hall-effect sensors are bipolar integrated
circuits designed for electronic commutation of brushless dc motors.
They feature open-collector complementary power outputs that are
capable of sinking up to 300 mA continuously. Increased current
TV
CC
DUC Y1 2 3 4
PRO E ONLDwg.PH-002
ED NCPinning is shown viewed from branded side.
ONTINUEFEREABSOLUTE MAXIMUM RATINGS
at TA = +25°C
C RSupply Voltage, VCC . . . . . . . . . . . . . . . 14 V
ISMagnetic Flux Density, B . . . . . . Unlimited
ROutput OFF Voltage, VCE . . . . . . . . . . . 60 V
D OOutput ON Current, IC
FContinuous . . . . . . . . . . . . . . . . . 0.5 A
Peak (Start Up) . . . . . . . . . . . . . . 0.9 A
Operating Temperature Range,
ratings, complementary outputs, and sensitive switching points that are
stable over temperature and time ideally suit these devices for mini-
mum-component brushless dc motor designs.
Each sensor IC includes a Hall-voltage generator, an operational
amplifier, a Schmitt trigger, a voltage regulator, and large-area dual
npn-output transistors. The regulator allows the IC to operate with
supply voltages ranging from 4.5 V to 14 V. On-chip compensation
circuitry stabilizes switch point performance over temperature. The
large bipolar junction output transistors are fed by a unique driver
stage, which minimizes power dissipation within the IC. The magnetic
operation of this device is similar to that of the UGN3275K complemen-
tary-output Hall-effect latch.
Output Q of the IC switches to the LOW state when the internal
Hall generator experiences a magnetic field that exceeds the rated
operate point. Output Q switches HIGH within one µs of the Output Q
change of state. When the device is exposed to a sufficient magnetic
field of opposite polarity, Output Q returns to the HIGH state, and
Output Q returns to the LOW state.
The UGN5275K is rated for operation over a temperature range of
-20°C to +85°C, and is supplied in an environmentally rugged, four-pin
miniature plastic SIP. Consult the factory for alternate packaging and
custom magnetic requirements.
FEATURES
s High Sink-Current Capability
s Magnetic Sensing, Complementary-Output Latch
s On-Chip Schmitt Trigger Provides Hysteresis
s Temperature-Compensated Switch Points
s Rugged, Low-Profile SIP
TA . . . . . . . . . . . . . . . . . -20°C to +85°C
Storage Temperature Range,
TS . . . . . . . . . . . . . . . . -65°C to +150°C
Package Power Dissipation,
PD . . . . . . . . . . . . . . . . . . . . . . 750 mW
Always order by complete part number: UGN5275K .

1 Page





5275 pdf, ピン配列
5275
COMPLEMENTARY OUTPUT
POWERHALL® LATCH
MOTOR COIL DRIVER
SWITCH POINTS VERSUS
TEMPERATURE
FIGURE 2
APPLICATIONS
The increased current sinking capability of the UGN5275K ideally
suits it for building small, inexpensive brushless dc motors using a
minimum number of external components. Figure 2 shows that the
only components required to commutate motor windings L1 and L2 are
the Hall effect IC, flyback diodes D1 and D2, and one decoupling
capacitor. The remaining components are optional for improving motor
performance. Care should be taken to ensure that the motor winding
impedances are high enough to guarantee that start-up surge currents
do not exceed the maximum rating of the Hall effect IC.
In the circuit shown, diodes D1 and D2 supply a flyback path for
the current of each winding to prevent reactive voltages from exceed-
ing the sustained voltage rating of the Hall-effect IC output transistors.
Zener diode Z1 enables the windings to switch more rapidly by allow-
ing the output voltage to rise above the source voltage, while simulta-
neously clamping the extreme reactive voltages.
The maximum output voltage level will be restricted to the follow-
ing: VCC - VD3 + VZ + VD1 (blocking diode D3 voltage drop). Blocking
diode D3 provides reverse input-polarity protection, and should be
used only if reverse battery voltage is a possibility. Capacitor C1
decouples the Hall-effect IC from any high dv/dt transients injected
onto the VCC rail to prevent regulator latch-up within the device. Zener
diode Z2 and resistor R1 are required for operation from a VCC exceed-
ing 14 V.


3Pages


5275 電子部品, 半導体
5275
COMPLEMENTARY OUTPUT
POWERHALL® LATCH
HALL-EFFECT SENSORS SELECTION GUIDE
Partial Part
Number
Avail. Oper. ␣ Operate Limits Over Temp.␣
Temp.
BOP max BRP min Bhys min
Function†
Notes
3046
3054
3056
3058
3059
3060
3121
3122
3123
3132
3133
3134
3141
3142
3143
3144
3161
3175
3177
3185
3187
3188
3189
3195
3197
3235
3275
3421
3422
3503
3515
3516
3517
3518
3625
3626
5140
E/L
K/S
E/L
E/L
K/S
K/S
E/L
E/L
E/L
K/L/S
K/L/S
E/L
E/L
E/L
E/L
E/L
E
S
S
E/L
E/L
E/L
E/L
E/L
L
S
S
E/L
E/L
S
E/L
E/L
L/S
L/S
S
S
E
+200
-200
+300
+5
+225
-225
+300
-300
+100
-100
+35 -35
+500
+80
+430
+120
+470
+160
+95 -95
+75 -75
+50 -40
+175
+10
+245
+60
+355
+150
+450
+25
+160
+30
+180
-180
+150
-150
+300
-300
+175
-175
+200
-200
+250
-250
+200
-200
+200
-200
+200
+15
-200
-15
+250
-250
+300
-300
+85 -85
Typ. 1.3 mV/G
Typ. 5.0 mV/G
Typ. 2.5 mV/G
Typ. 5.0 mV/G
Typ. 2.5 mV/G
+150
-150
+150
-150
+240
+25
15
5.0
15
150
20
10
60
70
70
30
30
10
20
30
30
20
5.0
80
50
280
100
160
100
110
110
15
15
100
240
10
200*
200*
20
Gear-Tooth Sensor
Unipolar Multiplex
1
Gear-Tooth Sensor
Gear-Tooth Sensor
AC Gear-Tooth Sensor
AC Gear-Tooth Sensor
Unipolar Switch
Unipolar Switch
Unipolar Switch
Bipolar Switch
Bipolar Switch
Bipolar Switch
Unipolar Switch
Unipolar Switch
Unipolar Switch
Unipolar Switch
2-Wire Unipolar Switch
Bipolar Latch
Bipolar Latch
Bipolar Latch
Bipolar Latch
Bipolar Latch
Bipolar Latch
Bipolar Latch
2, 3
Bipolar Latch
3
Unipolar Switch
4
Unipolar Switch
Bipolar Latch
5
Direction Detection
Direction Detection
Linear Sensor
Chopper-Stabilized Linear Sensor
Chopper-Stabilized Linear Sensor
Chopper-Stabilized Linear Sensor
Chopper-Stabilized Linear Sensor
900 mA Bipolar Latch
3, 5, 6
400 mA Bipolar Latch
3, 5, 6
300 mA Unipolar Switch
3, 6
Operating Temperature Ranges:
C = 0°C to +70°C, S = -20°C to +85°C, E = -40°C to +85°C, K = -40°C to +125°C, L = -40°C to +150°C
Notes 1. Multiplexed two-wire sensor; after proper address, power/signal bus current indicates magnetic field condition.
2. Active pull down.
3. Protected.
4. Output 1 switches on south pole, output 2 switches on north pole for 2-phase, bifilar-wound, unipolar-driven brushless dc motor control.
5. Complementary outputs for 2-phase bifilar-wound, unipolar-driven brushless dc motor control.
6. Power driver output.
* Typical.
† Latches will not switch on removal of magnetic field; bipolar switches may switch on removal of field but require field reversal for reliable operation
over operating temperature range.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000

6 Page



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COMPLEMENTARY OUTPUT POWER HALL LATCH

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