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What is 3235?

This electronic component, produced by the manufacturer "Allegro MicroSystems", performs the same function as "DUAL-OUTPUT HALL-EFFECT SWITCH".


3235 Datasheet PDF - Allegro MicroSystems

Part Number 3235
Description DUAL-OUTPUT HALL-EFFECT SWITCH
Manufacturers Allegro MicroSystems 
Logo Allegro MicroSystems Logo 


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3235
DUAL-OUTPUT
HALL-EFFECT SWITCH
3235
V CC
12
34
Dwg. PH-007
Pinning is shown viewed from branded side.
ABSOLUTE MAXIMUM RATINGS
at TA = +25°C
Power Supply, VCC . . . . . . . . . . . . . . . . 25 V
Reverse Battery Voltage, VRCC . . . . . -30 V
Magnetic Flux Density, B . . . . . . Unlimited
Output OFF Voltage, VOUT . . . . . . . . . . 25 V
Output ON Current, IOUT . . . . . . . . . . 50 mA
Operating Temperature Range,
TA . . . . . . . . . . . . . . . . -20°C to + 85°C
Storage Temperature Range
TS . . . . . . . . . . . . . . . . -65°C to +150°C
DUAL-OUTPUT
HALL-EFFECT SWITCH
Type UGN3235K Hall-effect sensors are bipolar integrated circuits
designed for commutation of brushless dc motors, and other rotary
encoding applications using multi-pole ring magnets. The device
features two outputs which are independently activated by magnetic
fields of opposite polarity.
Each sensor IC includes a Hall voltage generator, two Schmitt
triggers, a voltage regulator, output transistors, and on-board reverse
polarity protection. The regulator enables these devices to operate
from voltages ranging between 4.5 V and 24 V. On-chip compensation
circuitry stabilizes the switch points over temperature.
Each open-collector output is independently operated by the
proper amount and polarity of incident magnetic flux. Output 1 re-
sponds only to the positive flux from the south pole of a magnet,
Output 2 to the negative flux from the north pole of a magnet. When
the sensor experiences the field of a south magnetic pole greater than
the maximum operate point of Output 1, that output switches to the
LOW state and Output 2 is unaffected. When the incident flux falls
below the minimum release point for Output 1, that output returns to
the HIGH state and Output 2 remains unchanged.
Output 2 independently responds in the same manner to the
negative flux from the north magnetic pole of a magnet. Figure 1
shows a zone in the region of 0 G, tH, where both outputs are in the
HIGH or OFF state. This constitutes a delay that is independent of
rate of change of the incident magnetic field and ensures that both
outputs are never ON simultaneously. This is an essential feature for
driving brushless dc motors with a minimum of reactive transient
currents.
The UGN3235K is supplied in a four-pin plastic single in-line
package (SIP).
FEATURES
s Reliable and Rugged Magnetic Sensing Switch
s Two Outputs Independently Switched by North and South Poles
s Independent Actuation of Outputs Minimizes Inductive-Load
Reactive Transient
s Built-in Hysteresis Minimizes Interference from Stray Fields
s Operates from 4.5 V to 24 V
s Outputs Compatible with All Logic Levels
s On-Board Reverse Polarity Protection
s Open-Collector, Active-Low Outputs
Always order by complete part number: UGN3235K .

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3235 equivalent
3235
DUAL-OUTPUT
HALL-EFFECT SWITCH
Dimensions in Inches
(controlling dimensions)
0.208
0.203
45°
0.063
0.059
Dimensions in Millimeters
(for reference only)
5.28
5.16
45°
1.60
1.50
0.138
0.133
0.085 1 2 3 4
MAX
0.600
0.560
SEE NOTE
0.016
0.050
BSC
45°
0.033
0.015
3.51
3.38
2.16 1 2 3 4
MAX
15.24
14.23
SEE NOTE
Dwg. MH-009C in
0.41
1.27
BSC
45°
0.84
0.38
Dwg. MH-009C mm
NOTES: 1. Tolerances on package height and width represent allowable mold offsets. Dimensions given are measured at the widest point (parting line).
2. Exact body and lead configuration at vendor’s option within limits shown.
3. Height does not include mold gate flash.
4. Recommended minimum PWB hole diameter to clear transition area is 0.035” (0.89 mm).
5. Where no tolerance is specified, dimension is nominal.
Allegro MicroSystems, Inc. reserves the right to make, from time to time, such departures from
the detail specifications as may be required to permit improvements in the design of its products.
Components made under military approvals will be in accordance with the approval requirements.
The information included herein is believed to be accurate and reliable. However, Allegro
MicroSystems, Inc. assumes no responsibility for its use; nor for any infringements of patents or
other rights of third parties which may result from its use.


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Part Details

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