SGM8199A0 [SGMICRO]
Voltage Output, High-side or Low-side Measurement, Bidirectional Current Shunt Monitor;
| 型号： | SGM8199A0 |
| 厂家： | 
Shengbang Microelectronics Co, Ltd |
| 描述： | Voltage Output, High-side or Low-side Measurement, Bidirectional Current Shunt Monitor |
| 文件： | 总15页 (文件大小：1028K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SGM8199
Voltage Output,
High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
GENERAL DESCRIPTION
FEATURES
The SGM8199 series is a voltage output, bidirectional
current shunt monitor, which is designed to sense
voltage drops across the shunt at common mode
voltage range without being affected by the supply
voltage. The device features a wide common mode
voltage range from -0.1V to 26V. It also offers a low
offset, which allows 10mV full-scale maximum drops
across the shunt when sensing current.
Wide Input Common Mode Range: -0.1V to 26V
Low Input Offset Voltage:
SGM8199A0: 600μV (VCM = 12V, MAX)
SGM8199A1: 350μV (VCM = 12V, MAX)
SGM8199A2: 250μV (VCM = 12V, MAX)
(Enable 10mV Full-Scale Shunt Drops)
Gain Options:
SGM8199A0 Gain: 20V/V
SGM8199A1 Gain: 50V/V
The SGM8199 series provides three fixed gains: 20V/V,
50V/V and 100V/V. It operates from 2.7V to 26V single
supply, consuming only 85µA quiescent current.
SGM8199A2 Gain: 100V/V
Gain Error:
SGM8199A0: ±0.7% (MAX)
The SGM8199 series is available in a Green SC70-6
package. It is specified over the extended -40℃ to
+125℃ temperature range.
SGM8199A1: ±0.4% (MAX)
SGM8199A2: ±0.4% (MAX)
Low Quiescent Current: 85μA (TYP)
-40℃ to +125℃ Operating Temperature Range
Available in a Green SC70-6 Package
APPLICATIONS
Laptops
Mobile Phones
Telecom Equipment
Power Managements
Charging Systems
Welding Equipment
TYPICAL APPLICATION
2.7V to 26V
CBYPASS
0.01μF to 0.1μF
Reference Voltage
VCC
Supply
R4
R3
R2
R1
IN+
IN-
REF
OUT
Product Family Table
+
RSHUNT
_
Output
Product
Gain
20
R1 and R2
400kΩ
1MΩ
R3 and R4
20kΩ
SGM8199A0
SGM8199A1
SGM8199A2
50
20kΩ
Load
GND
100
1MΩ
10kΩ
Figure 1. Recommended Application Circuit
SG Micro Corp
MAY 2023 – REV. A. 2
www.sg-micro.com
Voltage Output, High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
SGM8199
PACKAGE/ORDERING INFORMATION
SPECIFIED
GAIN TEMPERATURE
RANGE
PACKAGE
ORDERING
NUMBER
PACKAGE
MARKING
PACKING
OPTION
MODEL
DESCRIPTION
SC70-6
SGM8199A0
SGM8199A1
SGM8199A2
20V/V
50V/V
SGM8199A0XC6G/TR
SGM8199A1XC6G/TR
SGM8199A2XC6G/TR
M91XX
GS2XX
M93XX
Tape and Reel, 3000
Tape and Reel, 3000
Tape and Reel, 3000
-40℃ to +125℃
-40℃ to +125℃
-40℃ to +125℃
SC70-6
SC70-6
100V/V
MARKING INFORMATION
NOTE: XX = Date Code.
YYY X X
Date Code - Month
Date Code - Year
Serial Number
Green (RoHS & HSF): SG Micro Corp defines "Green" to mean Pb-Free (RoHS compatible) and free of halogen substances. If
you have additional comments or questions, please contact your SGMICRO representative directly.
ABSOLUTE MAXIMUM RATINGS
integrated circuits be handled with appropriate precautions.
Failureto observe proper handlingand installation procedures
can cause damage. ESD damage can range from subtle
performance degradation tocomplete device failure. Precision
integrated circuits may be more susceptible to damage
because even small parametric changes could cause the
device not to meet the published specifications.
Supply Voltage.................................................................28V
VIN Differential................................................................±28V
Input Common Mode Voltage Range........GND - 0.3V to 28V
Input Current into All Pins...............................................5mA
Junction Temperature .................................................+150℃
Storage Temperature Range........................-65℃ to +150℃
Lead Temperature (Soldering, 10s) ............................+260℃
ESD Susceptibility
DISCLAIMER
HBM.............................................................................3000V
MM.................................................................................200V
CDM ............................................................................2000V
SG Micro Corp reserves the right to make any change in
circuit design, or specifications without prior notice.
RECOMMENDED OPERATING CONDITIONS
Operating Temperature Range ....................-40℃ to +125℃
PIN CONFIGURATION
(TOP VIEW)
OVERSTRESS CAUTION
Stresses beyond those listed in Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to
absolute maximum rating conditions for extended periods
may affect reliability. Functional operation of the device at any
conditions beyond those indicated in the Recommended
Operating Conditions section is not implied.
1
2
3
6
5
4
REF
GND
VCC
OUT
IN-
_
+
IN+
SC70-6
ESD SENSITIVITY CAUTION
This integrated circuit can be damaged if ESD protections are
not considered carefully. SGMICRO recommends that all
SG Micro Corp
www.sg-micro.com
MAY 2023
2
Voltage Output, High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
SGM8199
ELECTRICAL CHARACTERISTICS
(VCC = 2.7V to 26V, VIN+ = 12V, VSENSE = VIN+ - VIN-, and VREF = VCC/2, Full = -40℃ to +125℃, typical values are at TA = +25℃,
unless otherwise noted.)
PARAMETER
Input Characteristics
CONDITIONS
TEMP MIN
TYP MAX UNITS
VCM = -0.1V to 2V, VSENSE = 0mV
VCM = 2V to 26V, VSENSE = 0mV
VCM = -0.1V to 2V, VSENSE = 0mV
VCM = 2V to 26V, VSENSE = 0mV
VCM = -0.1V to 2V, VSENSE = 0mV
VCM = 2V to 26V, VSENSE = 0mV
270
260
150
150
80
1420
600
720
350
750
250
SGM8199A0
SGM8199A1
SGM8199A2
Input Offset Voltage, RTI (1) (VOS
)
μV
+25℃
80
Input Offset Voltage Drift (ΔVOS/ΔT)
Full
1
μV/℃
SGM8199A0
30
Input Bias Current (IB)
VSENSE = 0mV
VSENSE = 0mV
μA
+25℃
SGM8199A1/
SGM8199A2
16
35
25
SGM8199A0
Input Offset Current (IOS
)
nA
V
+25℃
SGM8199A1/
SGM8199A2
Input Common Mode Voltage Range (VCM
)
Full
-0.1
85
81
85
87
90
91
26
VCM = -0.1V to 26V, VSENSE = 0mV
VCM = 2V to 26V, VSENSE = 0mV
VCM = -0.1V to 26V, VSENSE = 0mV
VCM = 2V to 26V, VSENSE = 0mV
VCM = -0.1V to 26V, VSENSE = 0mV
VCM = 2V to 26V, VSENSE = 0mV
97
SGM8199A0
SGM8199A1
SGM8199A2
93
104
100
108
106
Common Mode Rejection Ratio (CMRR)
Full
dB
Output Characteristics
SGM8199A0
SGM8199A1
SGM8199A2
SGM8199A0
SGM8199A1
SGM8199A2
20
50
Gain (G)
V/V
%
+25℃
100
0.20
0.02
0.05
10
0.7
0.4
0.4
Gain Error
VSENSE = -5mV to 5mV
Full
Gain Temperature Coefficient
Nonlinearity Error
Full
ppm/℃
%
VSENSE = -5mV to 5mV
No sustained oscillation
0.01
1
+25℃
+25℃
Maximum Capacitive Load
nF
VOH
Output Voltage Swing from Rail
VOL
140
85
380
300
V
CC = 26V, RL = 10kΩ to VCC/2
Full
mV
NOTE: 1. RTI = Referred-to-input.
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Voltage Output, High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
SGM8199
ELECTRICAL CHARACTERISTICS (continued)
(VCC = 2.7V to 26V, VIN+ = 12V, VSENSE = VIN+ - VIN-, and VREF = VCC/2, Full = -40℃ to +125℃, typical values are at TA = +25℃,
unless otherwise noted.)
PARAMETER
CONDITIONS
TEMP MIN
TYP MAX UNITS
Dynamic Performance
SGM8199A0
SGM8199A1
SGM8199A2
74
-3dB Bandwidth
Slew Rate (SR)
VCC = 5V, RL = 10kΩ, CL = 10pF
80
kHz
+25℃
68
f = 1kHz, RL = 10kΩ, VOUT = 1VP-P
f = 1kHz, RL = 10kΩ, VOUT = 2VP-P
f = 1kHz, RL = 10kΩ, VOUT = 1VP-P
f = 1kHz, RL = 10kΩ, VOUT = 2VP-P
f = 1kHz, RL = 10kΩ, VOUT = 1VP-P
f = 1kHz, RL = 10kΩ, VOUT = 2VP-P
0.42
0.42
0.15
0.35
0.12
0.3
SGM8199A0
SGM8199A1
SGM8199A2
V/μs
+25℃
Noise, RTI (1)
SGM8199A0
SGM8199A1
SGM8199A2
48
50
35
nV/
Voltage Noise Density (en)
f = 1kHz
+25℃
Hz
Power Supply
Operating Voltage Range (VCC
)
Full
+25℃
Full
2.7
26
V
85
120
130
Quiescent Current (IQ)
VCC = 26V, VSENSE = 0mV
μA
SGM8199A0
100
105
Power Supply Rejection Ratio (PSRR)
NOTE: 1. RTI = Referred-to-input.
VCC = 2.7V to 26V, VSENSE = 0mV
dB
+25℃
SGM8199A1/
SGM8199A2
SG Micro Corp
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MAY 2023
4
Voltage Output, High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
SGM8199
TYPICAL PERFORMANCE CHARACTERISTICS
The following figures show the performance of SGM8199A1 at TA = +25℃, VCC = 5V, GND = 0V, VIN+ = 12V, VSENSE = VIN+ - VIN-
and VREF = VCC/2, unless otherwise noted.
Input Bias Current vs. Temperature
Quiescent Current vs. Temperature
19
18
17
16
15
14
75
74
73
72
71
70
-50
-25
0
25
50
75
100 125
-50
-25
0
25
50
75
100 125
Temperature (℃)
Temperature (℃)
Input Offset Voltage vs. Temperature
CMRR vs. Temperature
40
30
20
10
0
7
6
5
4
3
2
-10
-20
-50
-25
0
25
50
75
100 125
-50
-25
0
25
50
75
100 125
Temperature (℃)
Temperature (℃)
Input Bias Current vs. Input Common Mode Voltage
Input Bias Current vs. Input Common Mode Voltage
30
25
20
15
10
5
25
20
15
10
5
IB
-IB
+IB
0
0
VCC = 0V
VCC = 5V
25
-5
-5
0
5
10
15
20
30
0
5
10
15
20
25
30
Input Common Mode Voltage (V)
Input Common Mode Voltage (V)
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Voltage Output, High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
SGM8199
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
The following figures show the performance of SGM8199A1 at TA = +25℃, VCC = 5V, GND = 0V, VIN+ = 12V, VSENSE = VIN+ - VIN-
and VREF = VCC/2, unless otherwise noted.
Output Voltage vs. Output Current
VCC = 2.7V
Output Voltage vs. Output Current
VCC = 5V
3
2.5
2
5
4
3
2
1
0
1.5
1
+125℃
-40℃
+25℃
+125℃
+25℃
-40℃
0.5
0
0
3
6
9
12
15
0
3
6
9
12
15
Output Current (mA)
Output Current (mA)
Output Voltage vs. Output Current
VCC = 26V
0.1Hz to 10Hz Input Voltage Noise
30
25
20
15
10
5
-40℃
+125℃
+25℃
0
0
5
10
15
20
25
30
Time (1s/div)
Output Current (mA)
Gain vs. Frequency
RTI Voltage Noise Density vs. Frequency
50
40
30
20
10
0
1000
100
10
G = 100
G = 50
G = 20
-10
1
10
100
1000
10000
100000
0.01
0.1
1
10
100
1000
Frequency (kHz)
Frequency (Hz)
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Voltage Output, High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
SGM8199
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
The following figures show the performance of SGM8199A1 at TA = +25℃, VCC = 5V, GND = 0V, VIN+ = 12V, VSENSE = VIN+ - VIN-
and VREF = VCC/2, unless otherwise noted.
CMRR vs. Frequency
PSRR vs. Frequency
140
120
100
80
-20
-40
-60
-80
PSRR+
60
-100
-120
PSRR-
100
40
10
100
1000
10000
100000
10
1000
10000
100000
Frequency (Hz)
Frequency (Hz)
Overload Recovery (Inverting)
Overload Recovery (Non-Inverting)
VIN
VIN
2.5V
2.5V
2.5V
VOUT
VOUT
2.5V
Time (100μs/div)
Time (100μs/div)
Input Common Mode Voltage Transient Response
Step Response
VCM
VIN
2.5V
VOUT
2.5V
VOUT
Time (100μs/div)
Time (100μs/div)
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Voltage Output, High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
SGM8199
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
The following figures show the performance of SGM8199A1 at TA = +25℃, VCC = 5V, GND = 0V, VIN+ = 12V, VSENSE = VIN+ - VIN-
and VREF = VCC/2, unless otherwise noted.
Start-Up Response
Brownout Recovery
VCC
VCC
0V
2.5V
VOUT
0V
VOUT
2.5V
Time (100μs/div)
Time (100μs/div)
SG Micro Corp
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MAY 2023
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Voltage Output, High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
SGM8199
APPLICATION INFORMATION
voltage of power supply when input voltage is equal to
0mV.
Recommended Connection
The recommended connection of SGM8199 is shown in
Figure 1. Also, it is recommended that the shunt
resistor should be placed as close as possible to the
two input pins of the current shunt monitor, so the extra
resistance which is series with the measured shunt
resistor will be reduced.
Bidirectional Application
Bidirectional application indicates that the current shunt
monitor of SGM8199 can measure the current for two
different directions. For this special case, the REF pin
can be set anywhere between 0V to VCC for the bias of
output voltage. For simplification, it is recommended
that VREF = VCC/2 is a typical voltage point. However, if
the absolute values of positive and negative current are
not equal, the voltage of REF pin should be set other
than VCC/2.
The bypass capacitor is necessary for the current shunt
monitor to improve its stability. In most applications, the
power supply is noisy and it will affect the operation of
SGM8199, so the bypass capacitor is needed in this
case.
Power Supply
Input Filtering
The SGM8199 can accurately measure the current
when the common mode voltage exceeds the power
supply voltage presented at the VCC pin. For example,
the VCC power supply can be 5V and the load or
common mode power supply voltage is allowed to
reach up to 26V. The output voltage range is limited by
the level of the power supply.
It is not recommended to add a filter at the output of
SGM8199, as doing so increases impedance seen at
the output of the internal buffer. Filtering at the input
pins will be a good choice as long as the change of the
input impedance is taken in account. Figure 2 indicates
the application of input filtering.
For minimizing the error and enhancing the accuracy of
the result, the resistance of the external resistor RS
should be less than 10Ω.At the internal input structure
of SGM8199, there is a bias network which causes
mismatch in the bias current IB of two input pins, and
the external resistors result in the mismatch of voltage
drops (because of the mismatch of IB) across RS so that
the differential error will be created. Also, this differential
error will be reflected to the input pins of the current
shunt monitor and result in the accuracy. However, the
bias current difference can result in little effect on the
operation of the current shunt monitor so the users do
not need to care about that.
Selection of RSHUNT
For the typical range of the differential input, the current
shunt monitor of SGM8199 can work accurately with the
order of 10mV. The application of SGM8199 series will
determine the selection of the shunt resistor RSHUNT. Also,
the users should consider the trade-off between voltage
loss and the accuracy of small input signals. The effect
of offset can be minimized by using high values of
R
SHUNT, while the voltage loss can be minimized by
using low values of RSHUNT. For most applications, a
voltage drop of 60mV over RSHUNT is the appropriate
range for the selection of RSHUNT, and the corresponding
offset voltage is 350μV only.
Unidirectional Application
VCC
VCM
In unidirectional operation, the current measuring
direction of SGM8199 is fixed. Usually, the REF pin is
connected directly to GND pin to ensure that the output
is biased at 0V. Also, if the users desire to measure low
input voltage with high accuracy, biasing REF pin to
300mV is a good method to set the current shunt
monitor to its linear region.
RS < 10Ω
RINT
IN+
IN-
REF
OUT
+
RSHUNT
Bias
CF
_
Output
RS < 10Ω
RINT
Load
GND
For the least frequent case, REF pin can connect to the
power supply pin directly to measure the negative
current. In this case, the output voltage is equal to the
Figure 2. Filtering at Input
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Voltage Output, High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
SGM8199
APPLICATION INFORMATION (continued)
However, the users may concern about the amount of
Shutting Down SGM8199
current through SGM8199 in shutdown mode. The
schematic in Figure 3 can be used to evaluate the
amount of current drain in shutdown mode.
There is no shutdown control at the internal of SGM8199,
so the only way to shut down the quiescent current from
the power supply is by using an external logic gate or
transistor switch.
CBYPASS
Shutdown
Control
Reference
Voltage
VCC
Supply
_
R4
R3
R2
R1
IN+
IN-
REF
OUT
Product Family Table
+
+
RSHUNT
Product
Gain
20
R1 and R2
400kΩ
1MΩ
R3 and R4
20kΩ
_
Output
SGM8199A0
SGM8199A1
SGM8199A2
50
20kΩ
Load
100
1MΩ
10kΩ
GND
NOTE: 400kΩ or 1MΩ path from shunt inputs to reference and SGM8199 output.
Figure 3. Shutting Down the Current Shunt Monitor with VREF = 0
Supply
Input Impedance of REF Input
The common mode rejection ratio (CMRR) can be
influenced by the input impedance of REF Pin, but the
users do not need to concern about it if REF pin is
driven by a power supply. However, if the REF pin is
driven by resistive dividers, it should be buffered by an
operational amplifier to provide low input impedance.
2.7V to 26V
CBYPASS
0.01μF to 0.1μF
VCC
R4
R3
R2
+
IN+
IN-
REF
OUT
If the output can be measured differentially, for example,
a differential analog-to-digital converter, the users do
not need to care about the external impedance which is
added at the REF pin and the effect can be removed.
Figure 4 indicates an example about how to remove the
effect of extra impedance at REF pin.
ADC
RSHUNT
_
Output
R1
Load
GND
Figure 4. Cancelling the Input Impedance at REF Input
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Voltage Output, High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
SGM8199
APPLICATION INFORMATION (continued)
If the low power Zener diode cannot protect the current
The Performance of SGM8199 when
shunt monitor from supply transient, a Transzorb with high
power must be taken into account in this case. In Figure 6,
for saving the space of PCB board, a Transzorb and
back-to-back diode can also be used to absorb the
transient. For the applications of Figure 5 and Figure 6,
the total area which is occupied by SGM8199 itself and
its protective components is equivalent to the MSOP-8
package, and smaller than SOIC-8 package.
Common Mode Transients above 26V
The SGM8199 can be powered by the power supply
whose power-on transient is higher than 26V, especially
for the application of automotive industry. At this case, a
Zener diode or Zener-type transient absorber (Transzorbs)
can be used to prevent the current shunt monitor from
over-voltage during the transient of power-on. It does
not recommend the users to use the transient absorber
other than Transzorbs because of the significant time
delay. However, any Zener diode needs extra operational
resistors to provide the operating current, so the 10Ω
resistors are selected (any large external resistor will
affect the gain). Also, 10Ω resistors and a Zener diode
with lowest rating of power are enough for handling the
short-term transient in most applications.
CBYPASS
Shutdown
Control
Reference
Voltage
VCC
Supply
RPROTECT
_
10Ω
R4
R3
R2
R1
IN+
IN-
REF
OUT
+
+
RSHUNT
RPROTECT
10Ω
_
Output
CBYPASS
Shutdown
Control
Reference
Voltage
Load
VCC
GND
Supply
RPROTECT
10Ω
_
R4
R3
R2
R1
IN+
IN-
REF
OUT
+
+
Figure 6. Using Transzorb and Input Clamps for Absorbing
Supply Transient
RSHUNT
RPROTECT
10Ω
_
Output
Load
GND
Figure 5. Using Dual Diodes for Absorbing Supply
Transient
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Voltage Output, High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
SGM8199
REVISION HISTORY
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
MAY 2023 ‒ REV.A.1 to REV.A.2
Page
Updated Package Outline Dimensions section ..................................................................................................................................................13
OCTOBER 2020 ‒ REV.A to REV.A.1
Page
Updated Typical Performance Characteristics section.....................................................................................................................................7, 8
Changes from Original (SEPTEMBER 2018) to REV.A
Page
Changed from product preview to production data.............................................................................................................................................All
SG Micro Corp
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MAY 2023
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PACKAGE INFORMATION
PACKAGE OUTLINE DIMENSIONS
SC70-6
D
e1
0.65
e
E1
E
1.9
0.75
0.4
b
1.3
RECOMMENDED LAND PATTERN (Unit: mm)
L
L1
A
c
A1
A2
θ
0.20
Dimensions
Dimensions
In Millimeters
In Inches
Symbol
MIN
MAX
1.100
0.100
1.000
0.350
0.220
2.200
1.350
2.450
MIN
MAX
0.043
0.004
0.039
0.014
0.009
0.087
0.053
0.096
A
A1
A2
b
0.800
0.000
0.800
0.150
0.080
2.000
1.150
2.150
0.031
0.000
0.031
0.006
0.003
0.079
0.045
0.085
c
D
E
E1
e
0.65 TYP
1.300 BSC
0.525 REF
0.026 TYP
0.051 BSC
0.021 REF
e1
L
L1
θ
0.260
0°
0.460
8°
0.010
0°
0.018
8°
NOTES:
1. Body dimensions do not include mode flash or protrusion.
2. This drawing is subject to change without notice.
SG Micro Corp
TX00044.001
www.sg-micro.com
PACKAGE INFORMATION
TAPE AND REEL INFORMATION
REEL DIMENSIONS
TAPE DIMENSIONS
P2
P0
W
Q2
Q4
Q2
Q4
Q2
Q4
Q1
Q3
Q1
Q3
Q1
Q3
B0
Reel Diameter
P1
A0
K0
Reel Width (W1)
DIRECTION OF FEED
NOTE: The picture is only for reference. Please make the object as the standard.
KEY PARAMETER LIST OF TAPE AND REEL
Reel Width
Reel
Diameter
A0
B0
K0
P0
P1
P2
W
Pin1
Package Type
W1
(mm)
(mm) (mm) (mm) (mm) (mm) (mm) (mm) Quadrant
SC70-6
7″
9.5
2.40
2.50
1.20
4.0
4.0
2.0
8.0
Q3
SG Micro Corp
TX10000.000
www.sg-micro.com
PACKAGE INFORMATION
CARTON BOX DIMENSIONS
NOTE: The picture is only for reference. Please make the object as the standard.
KEY PARAMETER LIST OF CARTON BOX
Length
(mm)
Width
(mm)
Height
(mm)
Reel Type
Pizza/Carton
7″ (Option)
7″
368
442
227
410
224
224
8
18
SG Micro Corp
www.sg-micro.com
TX20000.000
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