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BA6162F 데이터시트 PDF




ROHM Semiconductor에서 제조한 전자 부품 BA6162F은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 BA6162F 기능
기능 Reset IC with battery backup function
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BA6162F 데이터시트, 핀배열, 회로
Memory ICs
Reset IC with battery backup function
BA6129AF / BA6162 / BA6162F
The BA6129AF, BA6162, and BA6162F are reset ICs with a battery backup function, designed for equipment using
SRAMs and other similar components. These ICs are configured of a reset signal and CS signal output unit and a
power supply switching unit. If the BA6129AF detects that the power supply has dropped to 3.5V or lower, it outputs
the CS, CSB, and Reset signals to set the SRAM in backup mode. If the voltage drops to 3.3V or lower, the power
supply switches to the battery. With the BA6162 and BA6162F, in the same way, a power supply of 4.2V is detected,
and if the voltage drops to 3.3V or lower, the power supply switches to the battery. These ICs allow SRAMs to be
write protected and allow the system to be reset, in addition to switching between the power supply and the battery.
Applications
Equipment using SRAMs (cards, cassettes, facsimile machines, copiers, word processors, personal computers, etc.)
Features
1) Equipped with battery backup function.
2) Equipped with both CS signals (CS and CSB) and
Reset signals.
3) Low current dissipation when powered from battery.
4) Low voltage loss when powered from battery.
5) Smooth switching between power supply and bat-
tery.
Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Unit
Power supply voltage
VCC
7.0
V
Output current 1
IOUT1
– 80 (BA6129AF)
– 40 (BA6162 / BA6162F)
mA
Output current 2
Power dissipation
IOUT2
Pd
– 200
9001 (BA6162)
5502 (BA6129AF)
(BA6162F)
µA
mW
Operating temperature
Storage temperature
Topr
Tstg
– 20 ~ + 75
– 40 ~ + 125
°C
°C
IOUT1 indicates the output current on the VCC side, and IOUT2 the output current on the VBAT side.
1 Reduced by 9.0mW for each increase in Ta of 1°C over 25°C.
2 Reduced by 5.5mW for each increase in Ta of 1°C over 25°C.
1




BA6162F pdf, 반도체, 판매, 대치품
Memory ICs
BA6129AF / BA6162 / BA6162F
BA6162 / F (unless otherwise noted, Ta = 25°C, VRRES = VCC = 5V, RRES = 10k)
Parameter
No-load current dissipation
I / O voltage differential 1
Vo output voltage 1
Vo output voltage 2
Vo output voltage 3
Detection voltage
Detection hysteresis voltage
Reset output low level voltage
Reset leakage current
Reset operating limit voltage
CS output low level voltage
CS output high level voltage
CSB output low level voltage
CSB output high level voltage
Detection voltage temperature characteristic
Switching voltage
Switching hysteresis voltage
Switching voltage temperature characteristic
Backup current dissipation
I / O voltage differential 2
Vo output voltage 4
Vo output voltage 5
Vo output voltage 6
Reverse current
Symbol Min.
ICC
VSAT1
VO1 4.95
VO2 4.70
VO3 4.50
VS 4.00
VSH
VRESL
IRESH
VOPL
VCSL
VCSH
4.9
VCSBL
VCSBH Vo – 0.1
KVS – 0.05
VB 3.15
VBH
KVB – 0.05
ICCB
VSAT2
VO4 2.70
VO5 2.60
VO6 VCC – 0.5
IOR
Typ.
0.03
4.97
4.90
4.86
4.20
100
0.8
3.30
100
0.20
2.80
2.67
Max.
2.0
0.05
4.40
0.4
0.1
1.2
0.1
0.1
+ 0.05
3.45
+ 0.05
0.5
0.03
0.1
Unit
mA
V
V
V
V
V
mV
V
µA
V
V
V
V
V
% / °C
V
mV
% / °C
µA
V
V
V
V
µA
Conditions
VCC = 5V, VBAT = 3V
VCC = 5V, VBAT = 3V, IO = – 1mA
VCC = 5V, VBAT = 3V, IO = – 1mA
VCC = 5V, VBAT = 3V, IO = – 15mA
VCC = 5V, VBAT = 3V, IO = – 30mA
VCC = HL
VCC = LH
VCC = 3.7V
VCC = 5V, VRRES = 7V
VCC = HL, VRES Ϲ 0.4V
VCC = 3.7V, VBAT = 3V, ICS = + 1µA
VCC = 5V, VBAT = 3V, ICS = – 1µA
VCC = 5V, VBAT = 3V, ICSB = + 1µA
VCC = 3.7V, VBAT = 3V, ICSB = – 1µA
VCC = HL, VBAT = 3V, RO = 200k
VCC = LH, VBAT = 3V, RO = 200k
VCC = GND, VBAT = 3V
VCC = GND, VBAT = 3V, IO = – 1µA
VCC = GND, VBAT = 3V, IO = – 1µA
VCC = GND, VBAT = 3V, IO = – 100µA
IO = – 40mA
VCC = 5V, VBAT = GND
(Note) IO, ICS, and ICSB are + when flowing toward the pin and – when flowing away from the pin.
Not designed for radiation resistance.
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BA6162F 전자부품, 판매, 대치품
Memory ICs
Application example
Vcc
5V
C1
10µF
R1
10k
BA6129AF / BA6162 / BA6162F
8765
SRAM
VDD
C2 0.01µF
+
Vref
+
+
1234
BATTERY
3V
SRAM
CEB
SRAM
CE
CPU
Reset
Fig. 3
Operation notes
(1) Power supply VCC
These ICs are designed to operate with at VCC = 5V,
but can also operate at VCC values of other than 5V.
However, the following conditions must be met:
(equation)
{ VS + VSH < VCC < VCCMax.
VCC – VBAT < 5V
(2) Battery voltage VBAT
These ICs are designed to operate with at VBAT = 3V,
but can also operate at VBAT values of other than 3V.
However, the following conditions must be met:
(equation)
{ VBAT < VB
VCC – VBAT < 5V
where) VS: detection voltage
VSH: detection hysteresis voltage
VB: switching voltage
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관련 데이터시트

부품번호상세설명 및 기능제조사
BA6162

Reset IC with battery backup function

ROHM Semiconductor
ROHM Semiconductor
BA6162F

Reset IC with battery backup function

ROHM Semiconductor
ROHM Semiconductor

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