Voltage Detector IC Series
Standard CMOS
Voltage Detector IC
BD48xxx series BD49xxx series
● General Description
ROHM’s BD48xxx and BD49xxx series are highly
accurate, low current consumption reset IC series. The
line up includes BD48xxx devices with N channel open
drain output and BD49xxx devices with CMOS output.
The devices are available for specific detection voltages
ranging from 2.3V to 6.0V in increments of 0.1V.
● Features
High accuracy detection
Ultra-low current consumption
Two output types (Nch open drain and CMOS output)
Wide Operating temperature range
Very small and low height package
Package SSOP5 is similar to SOT-23-5 (JEDEC)
Package SSOP3 is similar to SOT-23-3 (JEDEC)
●Ty pical A pplication Circuit
Datasheet
●Key Specifications
Detection voltage: 2.3V to 6.0V (Typ.),
0.1V steps
High accuracy detection voltage: ±1.0%
Ultra-low current consumption: 0.9A (Typ.)
Operating temperature range: -40°C to +105°C
● Package
SSOP5: 2.90mm x 2.80mm x 1.15mm
SSOP3: 2.90mm x 2.80mm x 1.15mm
VSOF5: 1.60 mm x 1.60mm x 0.60mm
● Applications
Circuits using microcontrollers or logic circuits that
require a reset.
DD1
V
○ Product structure:Silicon monolithic integrated circuit ○ This product is not designed protection against radioactive rays.
BD48xxx
(Open Drain Output type)
BD48xxx series
L
R
R
L
C
Capacitor for
(
noise filtering
ST
)
Micro
controller
DD2
V
DD1
V
GND
GND
BD49xxx
(CMOS Output type)
BD49xxx series
R
L
C
Capacitor for
(
noise filtering
ST
)
Micro
controller
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BD48xxx series BD49xxx series
● Connection Diagram
SSOP5 VSOF5
N.C. N.C.
Datasheet
V
DD
GND
4
5
Marking
V
OUT VDD GND
TOP VIEW
Lot. No
Marking
2
3
1
OUT SUB N.C
V
TOP VIEW
Lot. No
●Pin Descriptions
SSOP5 VSOF5
PIN No. Symbol Function PIN No. Symbol Function
1 V
2 V
3 GND GND
4 N.C. Unconnected Terminal 4 GND GND
5 N.C.
*Connect the substrate to GND.
OUT Reset Output 1 VOUT Reset Output
DD Power Supply Voltage 2 SUB Substrate*
3 N.C.
Unconnected Terminal 5 V
DD Power Supply Voltage
Unconnected Terminal
SSOP3(1pin GND) SSOP3(3pin GND)
VDD
3
GND
3
Marking
1
GND
TOP VIEW
V
2
OUT
Lot. No
Marking
1
VOUT
TOP VIEW
Lot. No
2
VDD
●Pin Descriptions
SSOP3-1 SSOP3-2
PIN No. Symbol Function PIN No. Symbol Function
1 GND GND 1 V
2 V
3
OUT Reset Output 2 VDD Power Supply Voltage
DD Power Supply Voltage 3 GND GND
V
OUT Reset Output
z Ordering Information
BDx x -T R xxx x
Part Output Type Package1 Reset Voltage Value Package2 Packageing and
Number 48 : Open Drain 23 : 2.3V forming specification
note)
49 : CMOS 0.1V step Embossed tape and reel
60 : 6.0V TR :The pin number 1is
the upper right
:SSOP5
:VSOF5
TL :The pin number 1is
Package1 Package2 Package name the upper left
E G SSOP5 :SSOP3-1
K G SSOP3(1pin GND) :SSOP3-2
L G SSOP3(3pin GND)
Blank FVE VSOF5
Blank G SSOP5
Please be new and, in hope of SSOP5, choose the package 1 by "E" and package 2" G."
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TSZ02201-0R7R0G300030-1-2
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BD48xxx series BD49xxx series
Datasheet
SSOP5
°
2.9± 0.2
5
4
+0.2
−0.1
2.8± 0.2
1.6
12
3
4
0.13
+
6
°
°
−4
0.2Min.
+0.05
−0.03
<Tape and Reel information>
Embossed carrier tape Tape
Quantity
Direction
of feed
3000pcs
TR
The direction is the 1pin of product is at the upper right when you hold
()
reel on the left hand and you pull out the tape on the right hand
1.25Max.
VSOF5
1.1± 0.05
0.05± 0.05
0.95
+ 0.05
0.42
− 0.04
0.1
(Unit : mm)
Reel
∗
5
1.6± 0.05
1.0± 0.05
4
0.2MAX
1.2± 0.05
1.6± 0.05
(MAX 1.28 include BURR)
1
2
3
0.13± 0.05
0.6MAX
0.5
0.22± 0.05
(Unit : mm)
2.92± 0.1
3
1.6± 0.1
2.8± 0.15
1
2
4°± 4°
L
MAX
1.1± 0.05
1.2
1.9± 0.1
0.4± 0.1
1pin
Direction of feed
Order quantity needs to be multiple of the minimum quantity.
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BD48xxx series BD49xxx series
Datasheet
● Lineup
Marking
Detection
Voltage
EW 6.0V BD4860 EB 4.1V BD4841 GW 6.0V BD4960 GB 4.1V BD4941
EV 5.9V BD4859 EA 4.0V BD4840 GV 5.9V BD4959 GA 4.0V BD4940
EU 5.8V BD4858 DV 3.9V BD4839 GU 5.8V BD4958 FV 3.9V BD4939
ET 5.7V BD4857 DU 3.8V BD4838 GT 5.7V BD4957 FU 3.8V BD4938
ES 5.6V BD4856 DT 3.7V BD4837 GS 5.6V BD4956 FT 3.7V BD4937
ER 5.5V BD4855 DS 3.6V BD4836 GR 5.5V BD4955 FS 3.6V BD4936
EQ 5.4V BD4854 DR 3.5V BD4835 GQ 5.4V BD4954 FR 3.5V BD4935
EP 5.3V BD4853 DQ 3.4V BD4834 GP 5.3V BD4953 FQ 3.4V BD4934
EN 5.2V BD4852 DP 3.3V BD4833 GN 5.2V BD4952 FP 3.3V BD4933
EM 5.1V BD4851 DN 3.2V BD4832 GM 5.1V BD4951 FN 3.2V BD4932
EL 5.0V BD4850 DM 3.1V BD4831 GL 5.0V BD4950 FM 3.1V BD4931
EK 4.9V BD4849 DL 3.0V BD4830 GK 4.9V BD4949 FL 3.0V BD4930
EJ 4.8V BD4848 DK 2.9V BD4829 GJ 4.8V BD4948 FK 2.9V BD4929
EH 4.7V BD4847 DJ 2.8V BD4828 GH 4.7V BD4947 FJ 2.8V BD4928
EG 4.6V BD4846 DH 2.7V BD4827 GG 4.6V BD4946 FH 2.7V BD4927
EF 4.5V BD4845 DG 2.6V BD4826 GF 4.5V BD4945 FG 2.6V BD4926
EE 4.4V BD4844 DF 2.5V BD4825 GE 4.4V BD4944 FF 2.5V BD4925
ED 4.3V BD4843 DE 2.4V BD4824 GD 4.3V BD4943 FE 2.4V BD4924
EC 4.2V BD4842 DD 2.3V BD4823 GC 4.2V BD4942 FD 2.3V BD4923
Part
Number
Marking
Detection
Voltage
Part
Number
Marking
Detection
Voltage
Part
Number
Marking
Detection
Voltage
Number
Ea
Dy
Dr
Dp
Dn
Dk
Dh
Dg
Df
De
Dd
Dc
Db
Da
Cy
Cr
Cp
Cn
Detection
Voltage
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
Number
BD49E41
BD49E40
BD49E39
BD49E38
BD49E37
BD49E36
BD49E35
BD49E34
BD49E33
BD49E32
BD49E31
BD49E30
BD49E29
BD49E28
BD49E27
BD49E26
BD49E25
BD49E24
BD49E23
Marking
Cm
Ck
Ch
Cg
Cf
Ce
Cd
Cc
Cb
Ca
By
Br
Bp
Bn
Bm
Bk
Bh
Bg
Bf
Detection
Voltage
6.0V
5.9V
5.8V
5.7V
5.6V
5.5V
5.4V
5.3V
5.2V
5.1V
5.0V
4.9V
4.8V
4.7V
4.6V
4.5V
4.4V
4.3V
4.2V BD48E42
Part
Number
BD48E60
BD48E59
BD48E58
BD48E57
BD48E56
BD48E55
BD48E54
BD48E53
BD48E52
BD48E51
BD48E50
BD48E49
BD48E48
BD48E47
BD48E46
BD48E45
BD48E44
BD48E43
Marking
Be
Bd
Bc
Bb
Ba
Ay
Ar
Ap
An
Am
Ak
Ah
Ag
Af
Ae
Ad
Ac
Ab
Aa
Detection
Voltage
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
Part
Number
BD48E41
BD48E40
BD48E39
BD48E38
BD48E37
BD48E36
BD48E35
BD48E34
BD48E33
BD48E32
BD48E31
BD48E30
BD48E29
BD48E28
BD48E27
BD48E26
BD48E25
BD48E24
BD48E23
Marking
Ff
Fe
Fd
Fc
Fb
Fa
Ey
Er
Ep
En
Em
Ek
Eh
Eg
Ef
Ee
Ed
Ec
Eb
Detection
Voltage
6.0V
5.9V
5.8V
5.7V
5.6V
5.5V
5.4V
5.3V
5.2V
5.1V
5.0V
4.9V
4.8V
4.7V
4.6V
4.5V
4.4V
4.3V
4.2V
Part
Number
BD49E60
BD49E59
BD49E58
BD49E57
BD49E56
BD49E55
BD49E54
BD49E53
BD49E52
BD49E51
BD49E50
BD49E49
BD49E48
BD49E47
BD49E46
BD49E45
BD49E44
BD49E43
BD49E42
Marking
Dm
Part
Part
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TSZ02201-0R7R0G300030-1-2
08.JUL.2012.Rev.006
BD48xxx series BD49xxx series
Marking
Cm
Ck
Ch
Cg
Cf
Ce
Cd
Cc
Cb
Ca
By
Br
Bp
Bn
Bm
Bk
Bh
Bg
Bf
Detection
Voltage
6.0V BD48K60
5.9V BD48K59
5.8V BD48K58
5.7V BD48K57
5.6V BD48K56
5.5V BD48K55
5.4V BD48K54
5.3V BD48K53
5.2V BD48K52
5.1V BD48K51
5.0V BD48K50
4.9V BD48K49
4.8V BD48K48
4.7V BD48K47
4.6V BD48K46
4.5V BD48K45
4.4V BD48K44
4.3V BD48K43
4.2V BD48K42
Part Number Marking
Be
Bd
Bc
Bb
Ba
Ay
Ar
Ap
An
Am
Ak
Ah
Ag
Af
Ae
Ad
Ac
Ab
Aa
Detection
Voltage
4.1V BD48K41
4.0V BD48K40
3.9V BD48K39
3.8V BD48K38
3.7V BD48K37
3.6V BD48K36
3.5V BD48K35
3.4V BD48K34
3.3V BD48K33
3.2V BD48K32
3.1V BD48K31
3.0V BD48K30
2.9V BD48K29
2.8V BD48K28
2.7V BD48K27
2.6V BD48K26
2.5V BD48K25
2.4V BD48K24
2.3V BD48K23
Marking
Kb
Ka
Hy
Hr
Hp
Hn
Hm
Hk
Hh
Hg
Hf
He
Hd
Hc
Hb
Ha
Gy
Gr
Gp
Detection
Voltage
6.0V BD48L60
5.9V BD48L59
5.8V BD48L58
5.7V BD48L57
5.6V BD48L56
5.5V BD48L55
5.4V BD48L54
5.3V BD48L53
5.2V BD48L52
5.1V BD48L51
5.0V BD48L50
4.9V BD48L49
4.8V BD48L48
4.7V BD48L47
4.6V BD48L46
4.5V BD48L45
4.4V BD48L44
4.3V BD48L43
4.2V BD48L42
Part Number Marking
Gn
Gm
Gk
Gh
Gg
Gf
Ge
Gd
Gc
Gb
Ga
Fy
Fr
Fp
Fn
Fm
Fk
Fh
Fg
Detection
Voltage
4.1V BD48L41
4.0V BD48L40
3.9V BD48L39
3.8V BD48L38
3.7V BD48L37
3.6V BD48L36
3.5V BD48L35
3.4V BD48L34
3.3V BD48L33
3.2V BD48L32
3.1V BD48L31
3.0V BD48L30
2.9V BD48L29
2.8V BD48L28
2.7V BD48L27
2.6V BD48L26
2.5V BD48L25
2.4V BD48L24
2.3V BD48L23
Part Number Marking
Ff
Fe
Fd
Fc
Fb
Fa
Ey
Er
Ep
En
Em
Ek
Eh
Eg
Ef
Ee
Ed
Ec
Eb
Part Number Marking
Np
Nn
Nm
Nk
Nh
Ng
Nf
Ne
Nd
Nc
Nb
Na
My
Mr
Mp
Mn
Mm
Mk
Mh
Detection
Voltage
6.0V BD49K60
5.9V BD49K59
5.8V BD49K58
5.7V BD49K57
5.6V BD49K56
5.5V BD49K55
5.4V BD49K54
5.3V BD49K53
5.2V BD49K52
5.1V BD49K51
5.0V BD49K50
4.9V BD49K49
4.8V BD49K48
4.7V BD49K47
4.6V BD49K46
4.5V BD49K45
4.4V BD49K44
4.3V BD49K43
4.2V BD49K42
Detection
Voltage
6.0V BD49L60
5.9V BD49L59
5.8V BD49L58
5.7V BD49L57
5.6V BD49L56
5.5V BD49L55
5.4V BD49L54
5.3V BD49L53
5.2V BD49L52
5.1V BD49L51
5.0V BD49L50
4.9V BD49L49
4.8V BD49L48
4.7V BD49L47
4.6V BD49L46
4.5V BD49L45
4.4V BD49L44
4.3V BD49L43
4.2V BD49L42
Part
Number
Part
Number
Marking
Ea
Dy
Dr
Dp
Dn
Dm
Dk
Dh
Dg
Df
De
Dd
Dc
Db
Da
Cy
Cr
Cp
Cn
Marking
Mg
Mf
Me
Md
Mc
Mb
Ma
Ky
Kr
Kp
Kn
Km
Kk
Kh
Kg
Kf
Ke
Kd
Kc
Datasheet
Detection
Voltage
4.1V BD49K41
4.0V BD49K40
3.9V BD49K39
3.8V BD49K38
3.7V BD49K37
3.6V BD49K36
3.5V BD49K35
3.4V BD49K34
3.3V BD49K33
3.2V BD49K32
3.1V BD49K31
3.0V BD49K30
2.9V BD49K29
2.8V BD49K28
2.7V BD49K27
2.6V BD49K26
2.5V BD49K25
2.4V BD49K24
2.3V BD49K23
Detection
Voltage
4.1V BD49L41
4.0V BD49L40
3.9V BD49L39
3.8V BD49L38
3.7V BD49L37
3.6V BD49L36
3.5V BD49L35
3.4V BD49L34
3.3V BD49L33
3.2V BD49L32
3.1V BD49L31
3.0V BD49L30
2.9V BD49L29
2.8V BD49L28
2.7V BD49L27
2.6V BD49L26
2.5V BD49L25
2.4V BD49L24
2.3V BD49L23
Number
Number
Part
Part
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TSZ02201-0R7R0G300030-1-2
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