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Rohm Semiconductor Electronic Components Datasheet

BD45E435 Datasheet

Counter Timer Built-in CMOS Voltage Detector IC

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BD45E435 pdf
Datasheet
Voltage Detector IC Series for Automotive
Counter Timer Built-in
CMOS Voltage Detector IC
BD45Exxxx-M series BD46Exxxx-M series
General Description
ROHM’s BD45Exxxx-M and BD46Exxxx-M series are
highly accurate, low current consumption Voltage
Detector IC series. Because the counter timer delay
circuit is built into those series, an external capacitor for
the delay time setting is unnecessary. The lineup was
established with two output types (Nch open drain and
CMOS output) and detection voltages range from 2.3V
to 4.8V in increments of 0.1V, so that the series may be
selected according to application.
Features
Counter Timer Built-in
No delay time setting capacitor required
Ultra-low current consumption
Two output types (Nch open drain and CMOS output)
Package SSOP5 is similar to SOT-23-5 (JEDEC)
AEC-Q100 Qualified
Key Specifications
Detection voltage:
2.3V to 4.8V (Typ.)
High accuracy detection voltage:
Ultra-low current consumption:
Operating temperature range:
Three internal, fixed delay time:
0.1V steps
±1.0%
0.85µA (Typ.)
-40°C to +105°C
50ms
100ms
200ms
Package
SSOP5
2.90mm x 2.80mm x 1.25mm
Applications
Circuits using microcontrollers or logic circuits that
require a reset for automotive applications (car
navigation, car audio, meter panel, exterior lamp etc.)
Typical Application Circuit
VDD1
VDD2
BD45Exxxx-M
RL
Micro
RST controller
CL
Noise-filtering
Capacitor
Open Drain Output Type
BD45Exxxx-M series
Connection Diagram
SSOP5
VDD
VOUT
GND
TOP VIEW
Marking
Lot. No
ER SUB GND
VDD1
BD46Exxxx-M
RST
Micro
controller
GND
CL
Noise-filtering
Capacitor
CMOS Output Type
BD46Exxxx-M series
Pin Descriptions
PIN No. Symbol
Function
1 ER Manual Reset
2
SUB
Substrate *
3
GND
GND
4
VOUT
Reset Output
5 VDD Power Supply Voltage
*Connect the substrate to GND.
Product structureSilicon monolithic integrated circuit
.www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product is not designed for protection against radioactive rays
1/14
TSZ02201-0R7R0G300110-1-2
27.Aug.2013 Rev.004


Rohm Semiconductor Electronic Components Datasheet

BD45E435 Datasheet

Counter Timer Built-in CMOS Voltage Detector IC

No Preview Available !

BD45E435 pdf
BD45Exxxx-M series BD46Exxxx-M series
Ordering Information
BDx x E x x
x
x-
M
TR
Part
Number
Output Type
45 : Open Drain
46 : CMOS
Reset Voltage Value
23 : 2.3V
0.1V step
48 : 4.8V
Counter Timer
Delay Time Settings
5 : 50ms
1 : 100ms
2 : 200ms
Package
G : SSOP5
Product Category
M : Automotive Category
Packaging and
forming specification
TR : Embossed tape
and reel
Lineup
Table 1. Open Drain Output Type
Counter Timer Delay Time Settings
50ms
100ms
200ms
Detection
Voltage
Marking
4.8V
4.7V
4.6V
4.5V
4.4V
4.3V
4.2V
4.1V
4.0V
3.9V
3.8V
3.7V
3.6V
3.5V
3.4V
3.3V
3.2V
3.1V
3.0V
2.9V
2.8V
2.7V
2.6V
2.5V
2.4V
2.3V
a2
a1
Yy
Yr
Yp
Yn
Ym
Yk
Yh
Yg
Yf
Ye
Yd
Yc
Yb
Ya
Uy
Ur
Up
Un
Um
Uk
Uh
Ug
Uf
Ue
Part
Number
BD45E485
BD45E475
BD45E465
BD45E455
BD45E445
BD45E435
BD45E425
BD45E415
BD45E405
BD45E395
BD45E385
BD45E375
BD45E365
BD45E355
BD45E345
BD45E335
BD45E325
BD45E315
BD45E305
BD45E295
BD45E285
BD45E275
BD45E265
BD45E255
BD45E245
BD45E235
Marking
d1
c9
c8
c7
c6
c5
c4
c3
c2
c1
b9
b8
b7
b6
b5
b4
b3
b2
b1
a9
a8
a7
a6
a5
a4
a3
Part
Number
BD45E481
BD45E471
BD45E461
BD45E451
BD45E441
BD45E431
BD45E421
BD45E411
BD45E401
BD45E391
BD45E381
BD45E371
BD45E361
BD45E351
BD45E341
BD45E331
BD45E321
BD45E311
BD45E301
BD45E291
BD45E281
BD45E271
BD45E261
BD45E251
BD45E241
BD45E231
Marking
f9
f8
f7
f6
f5
f4
f3
f2
f1
e9
e8
e7
e6
e5
e4
e3
e2
e1
d9
d8
d7
d6
d5
d4
d3
d2
Part
Number
BD45E482
BD45E472
BD45E462
BD45E452
BD45E442
BD45E432
BD45E422
BD45E412
BD45E402
BD45E392
BD45E382
BD45E372
BD45E362
BD45E352
BD45E342
BD45E332
BD45E322
BD45E312
BD45E302
BD45E292
BD45E282
BD45E272
BD45E262
BD45E252
BD45E242
BD45E232
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
2/14
TSZ02201-0R7R0G300110-1-2
27.Aug.2013 Rev.004


Part Number BD45E435
Description Counter Timer Built-in CMOS Voltage Detector IC
Maker Rohm
Total Page 17 Pages
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