Small and high accuracy Temperature Sensor IC Series High Accuracy detection
Thermostat Output
Temperature Sensor ICs
with Power Down Function
BDJ□□□1HFV Series
No.09047ECT01
●Description
BDJ□□□1HFV series is thermostat output temperature sensor IC with built-in temperature detection element,constant
current circuit,high-accuracy reference voltage source in one chip.Temperature detection can be realized at
±2.5℃
accuracy without complicated design.It is the best temperature sensor IC for a portable equipment of micro and low
current,the power down function, and the battery drive.It is possible to use it for a wide usage such as the heat detection
and temperature monitors because it provides with the analog output in addition to the thermostat power output.
BDJ□□□1HFV series has 8 types of model at 5℃ intervals from +55℃ to +90℃ temperature range.
●Features
1) Detection Temperature Range 55½90℃ by 5℃ Step 8 products.
2) Power supply Voltage range 2.4½5.5V.
3) High Accuracy thermostat ( typ.±1.0℃, max.±2.5℃ @Ta=55½90℃ )
4) High Accuracy Analog Output ( typ.±1.0℃, max.±2.5℃ @Ta=-30½100℃ )
5) Analog Output Temperature Sensitivity ( typ. -8.2mV/℃ )
6) Low Supply Current ( typ. 7.5μA )
7) Power down control function built in.(PD interface Voltage min 1.5V)
8) Small Package ( typ. 1.60mm×1.60mm×0.60mm )
9) Low thermal resistance package ( typ. 187℃/W )
10) ESD Rating 8kV ( HBM )
●Applications
Cell phone, Digital Camera,Thermal Protection for Electrical Equipment (NoteBook PC, FPD-TV, etc.)
●Line
up matrix
Product
Name
BDJ0901HFV
BDJ0851HFV
BDJ0801HFV
BDJ0751HFV
Detect
Temp.
（℃）
90
85
80
75
OS Output
Format
Open
Drain
Open
Drain
Open
Drain
Open
Drain
Active H
Active H
Active H
Active H
Product
Name
BDJ0701HFV
BDJ0651HFV
BDJ0601HFV
BDJ0551HFV
Detect
Temp.
（℃）
70
65
60
55
Marking
gd
ge
gf
gg
Marking
OS Output
Format
Open
Drain
Open
Drain
Open
Drain
Open
Drain
Active H
Active H
Active H
Active H
gh
gk
gm
gn
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© 2009 ROHM Co., Ltd. All rights reserved.
1/9
2009.08 - Rev.C
BDJ□□□1HFV Series
●
ABSOLUTE MAXIMUM RATINGS ( Ta = 25℃ )
PARAMETERS
SYMBOL
LIMIT
Power Supply Voltage
V
DD
-0.3 to 7.0
*1
Input Voltage ( PD )
V
IN
-0.3 to V
DD
+0.3
OS terminal Voltage
V
OS
-0.3 to 7.0
*1
OS terminal Current
I
OS
5.0
Power dissipation
Pd
536
*2
Storage Temperature Range
Tstg
-55 to 150
*1. Not to exceed Pd
*2. Reduced by 5.36mW for each increase in Ta of 1℃ over 25℃
（
mounted on 70mm×70mm×1.6mm Glass-epoxy PCB
）
Technical Note
UNIT
V
V
V
mA
mW
℃
●
RECOMMENDED OPERATING CONDITION
PARAMETERS
SYMBOL
Power Supply Voltage
VDD
Operating Temperature Range
Topr
MIN.
2.4
-30
TYP.
2.8
-
MAX.
5.5
100
UNIT
V
℃
●
ELECTRICAL CHARACTERISTICS ( unless otherwise specified, V
DD
= 2.8V, Ta = 25℃ )
PARAMETER
Supply Current
Normal function mode
Power Down mode
PD
Input L Voltage
Input H Voltage
PD Leakage Current
Analog Output
V
Temp
Output Voltage
V
Temp
Temperature Sensitivity
V
Temp
Load Regulation
V
temp
VDD Regulation
OS Output Open Drain
OS Leakage Current
OS Output Voltage
Radiation hardiness is not designed.
SYMBOL
I
DD
I
DDPD
V
IL
V
IH
I
LPD
V
temp
V
SE
⊿V
temp
R
L
⊿VtempVDD
MIN.
-
-
GND
1.5
-
1.279
-8.00
-
-
-
-
LIMIT
TYP.
7.5
0.3
-
-
-
MAX.
12.0
1.0
0.2
V
DD
1.0
1.321
-8.40
1.0
4.0
1.0
0.4
UNIT
μ
A
μ
A
CONDITIONS
PD="H"
PD="L"
V
V
μ
A
V
mV/℃
mV
mV
μ
A
PD=2.8V
Ta = 30℃
Ta = -30 to 100℃
difference of
I
OUT
: 0
μ
A / 2
μ
A
V
DD
=2.4½5.5V
V
OS
=5.0V
I
OS
= 1.0mA
1.300
-8.20
-
-
-
-
I
L
V
OL
V
●
TEMPERATURE ACCURACY ( unless otherwise specified, V
DD
= 2.8V )
PARAMETER
Thermostat
Sensing Temperature Accuracy
Sensing Temperature
Hysteresis
Analog Output
V
temp
Temperature Accuracy
SYMBOL
T
acc
Thys
T
temp
MIN.
-
7.5
-
LIMIT
TYP.
10.0
MAX.
±2.5
12.5
±2.5
UNIT
℃
℃
℃
CONDITIONS
±1.0
±1.0
V
DD
= 2.8V
Ta = -30 to 100℃
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© 2009 ROHM Co., Ltd. All rights reserved.
2/9
2009.08 - Rev.C
BDJ□□□1HFV Series
●
Block Diagram
V
temp
GND
1
IRef
5
VRef
TEMP
SENSOR
PD
3
PD
4
OS
VDD
Technical Note
2
●
PIN DESCRIPTION
PIN
NO.
1
2
3
4
5
PIN
NAME
V
temp
GND
PD
OS
VDD
FUNCTION
Output voltage in inverse
proportion to the temperature
( TYP. -8.20mV/℃ )
GROUND
PD control
H : Normal function mode
L : Power Down mode
Digital thermostat output
POWER SUPPLY
COMMENT
Set the OPEN state or connect high impedance
input node.(over 10MΩ）
"H" Thermostat and Analog output operation.
"L" Power Down state.
Open Drain Active H.
Use the pull-up resistor more than 10kΩ.
●
EQUIVALENT CIRCUIT
PD
VDD
OS
OS
PD
GND
GND
Vtemp
VDD
Vtemp
Use the pull-up resistor more than 10kΩ.
GND
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© 2009 ROHM Co., Ltd. All rights reserved.
3/9
2009.08 - Rev.C
BDJ□□□1HFV Series
●
PACKAGE OUTLINES ( HVSOF5 )
MARKING
Technical Note
Lot No.
HVSOF5(UNIT:mm)
●
Block Diagram
Please adjust Capacitor by
the noise condition of the
set.
V
temp
1
IRef
VDD
5
VRef
+
-
1μF
Please adjust bypass Capacitor
by the noise condition of the
set.
0.1μF
GND
2
PD
3
PD
TEMP
SENSOR
OS
4
Please pull-up over 10kΩfor OS output
terminal.
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© 2009 ROHM Co., Ltd. All rights reserved.
4/9
2009.08 - Rev.C
BDJ□□□1HFV Series
●
Reference Data
Technical Note
15
2.0
Ta=30°C
1.5
Ta=30°C
10
IDD [μA]
Vtemp [V]
1.0
PD="H"
5
0.5
PD="L"
0
0
1
2
3
4
5
6
7
VDD [V]
0.0
0
1
2
3
4
VDD [V]
5
6
7
Fig1. Supply Current(IDD) vs. Supply Voltage
2.0
Fig2. Vtemp Voltage vs. Supply Voltage
2
VDD=2.8V
1.5
0
-2
⊿Vtemp [mV]
Vtemp[V]
1.0
-4
-6
-8
-10
0.5
VDD=2.8V, Ta=30°C
0.0
-40
-20
0
20
40
Temp[℃]
60
80
100
-12
0
1
2
Iout [uA]
3
4
5
Fig3. Vtemp Voltage vs. Temperature
0.8
Fig4. Vtemp Voltage vs. Output Current
VDD=2.8V, Ta=25°C
0.6
V
OL
[V]
0.4
0.2
0
0
1
2
3
I
OS
[mA]
4
5
Fig5. OS Output Voltage vs. Load Current
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© 2009 ROHM Co., Ltd. All rights reserved.
5/9
2009.08 - Rev.C
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