SGM8199L1 [SGMICRO]
Voltage Output, High-side or Low-side Measurement, Bidirectional Current Shunt Monitor;
| 型号： | SGM8199L1 |
| 厂家： | 
Shengbang Microelectronics Co, Ltd |
| 描述： | Voltage Output, High-side or Low-side Measurement, Bidirectional Current Shunt Monitor |
| 文件： | 总16页 (文件大小：1059K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SGM8199L
Voltage Output,
High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
GENERAL DESCRIPTION
FEATURES
The SGM8199L 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:
SGM8199L1: 350μV (VCM = 12V, MAX)
SGM8199L2: 330μV (VCM = 12V, MAX)
(Enable 10mV Full-Scale Shunt Drops)
Gain Options:
SGM8199L1 Gain: 50V/V
SGM8199L2 Gain: 100V/V
Gain Error:
The SGM8199L series provides two fixed gains: 50V/V
and 100V/V. It operates from 2.7V to 26V single supply,
consuming only 85µA quiescent current.
SGM8199L1: ±0.4% (MAX)
SGM8199L2: ±0.4% (MAX)
Low Quiescent Current: 85μA (TYP)
-40℃ to +125℃ Operating Temperature Range
Available in Green SC70-6 and UTQFN-1.8×1.4-10L
Packages
The SGM8199L series is available in Green SC70-6
and UTQFN-1.8×1.4-10L packages. It is specified over
the extended -40℃ to +125℃ temperature range.
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
+
RSHUNT
Product Family Table
_
Output
Product
Gain
50
R1 and R2
1MΩ
R3 and R4
20kΩ
SGM8199L1
SGM8199L2
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
SGM8199L
PACKAGE/ORDERING INFORMATION
SPECIFIED
GAIN TEMPERATURE
RANGE
PACKAGE
DESCRIPTION
ORDERING
NUMBER
PACKAGE
MARKING
PACKING
OPTION
MODEL
SC70-6
50V/V
SGM8199L1XC6G/TR
SGM8199L1XUWQ10G/TR
SGM8199L2XC6G/TR
MBCXX
JCXX
Tape and Reel, 3000
Tape and Reel, 3000
Tape and Reel, 3000
Tape and Reel, 3000
-40℃ to +125℃
-40℃ to +125℃
-40℃ to +125℃
-40℃ to +125℃
SGM8199L1
UTQFN-1.8×1.4-10L 50V/V
SC70-6 100V/V
UTQFN-1.8×1.4-10L 100V/V
MJDXX
JEXX
SGM8199L2
SGM8199L2XUWQ10G/TR
MARKING INFORMATION
NOTE: XX = Date Code.
SC70-6
UTQFN-1.8×1.4-10L
YYY X X
YY X X
Date Code - Month
Date Code - Year
Serial Number
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
Supply Voltage.................................................................28V
may affect reliability. Functional operation of the device at any
conditions beyond those indicated in the Recommended
Operating Conditions section is not implied.
V
IN 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
ESD SENSITIVITY CAUTION
This integrated circuit can be damaged if ESD protections are
not considered carefully. SGMICRO recommends that all
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.
HBM.............................................................................3000V
MM.................................................................................200V
CDM ............................................................................2000V
RECOMMENDED OPERATING CONDITIONS
Operating Temperature Range ....................-40℃ to +125℃
DISCLAIMER
SG Micro Corp reserves the right to make any change in
OVERSTRESS CAUTION
circuit design, or specifications without prior notice.
Stresses beyond those listed in Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to
absolute maximum rating conditions for extended periods
SG Micro Corp
www.sg-micro.com
MAY 2023
2
Voltage Output, High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
SGM8199L
PIN CONFIGURATIONS
(TOP VIEW)
(TOP VIEW)
NC
7
VCC
6
1
2
3
6
5
4
REF
GND
VCC
OUT
IN-
REF
8
9
5
4
3
IN-
IN-
IN+
GND
_
OUT 10
+
IN+
1
2
NC
IN+
SC70-6
UTQFN-1.8×1.4-10L
SG Micro Corp
www.sg-micro.com
MAY 2023
3
Voltage Output, High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
SGM8199L
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
150
150
70
80
1
720
350
700
330
SGM8199L1
SGM8199L2
Input Offset Voltage, RTI (1) (VOS
)
μV
+25℃
Input Offset Voltage Drift (ΔVOS/ΔT)
Full
μV/℃
μA
Input Bias Current (IB)
VSENSE = 0mV
VSENSE = 0mV
16
35
+25℃
+25℃
Input Offset Current (IOS
)
nA
Input Common Mode Voltage Range (VCM
)
Full
-0.1
85
26
V
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
104
100
110
104
SGM8199L1
SGM8199L2
87
Common Mode Rejection Ratio (CMRR)
Full
dB
90
87
Output Characteristics
SGM8199L1
SGM8199L2
SGM8199L1
SGM8199L2
50
100
0.02
0.05
10
Gain (G)
V/V
%
+25℃
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
kHz
V/μs
Dynamic Performance
SGM8199L1
SGM8199L2
74
68
-3dB Bandwidth
VCC = 5V, RL = 10kΩ, CL = 10pF
+25℃
+25℃
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
0.15
0.35
0.12
0.3
SGM8199L1
SGM8199L2
Slew Rate (SR)
Noise, RTI (1)
SGM8199L1
SGM8199L2
50
35
nV/
Voltage Noise Density (en)
Power Supply
f = 1kHz
+25℃
Hz
Operating Voltage Range (VCC
)
Full
+25℃
Full
2.7
26
V
85
120
130
Quiescent Current (IQ)
VCC = 26V, VSENSE = 0mV
μA
dB
Power Supply Rejection Ratio (PSRR)
NOTE: 1. RTI = Referred-to-input.
VCC = 2.7V to 26V, VSENSE = 0mV
105
+25℃
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Voltage Output, High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
SGM8199L
TYPICAL PERFORMANCE CHARACTERISTICS
The following figures show the performance of SGM8199L1 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
SGM8199L
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
The following figures show the performance of SGM8199L1 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
-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
SGM8199L
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
The following figures show the performance of SGM8199L1 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)
SG Micro Corp
MAY 2023
www.sg-micro.com
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Voltage Output, High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
SGM8199L
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
The following figures show the performance of SGM8199L1 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
www.sg-micro.com
MAY 2023
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Voltage Output, High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
SGM8199L
APPLICATION INFORMATION
power supply pin directly to measure the negative current.
In this case, the output voltage is equal to the voltage of
power supply when input voltage is equal to 0mV.
Recommended Connection
The recommended connection of SGM8199L 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 SGM8199L 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
SGM8199L, so the bypass capacitor is needed in this
case.
On the UTQFN-1.8×1.4-10L package, two pins are
provided for each input. These pins should be tied
together (that is, tie IN+ to IN+ and tie IN- to IN-).
Input Filtering
It is not recommended to add a filter at the output of
SGM8199L, 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.
Power Supply
The SGM8199L 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.
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
Selection of RSHUNT
of SGM8199L, 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.
For the typical range of the differential input, the current
shunt monitor of SGM8199L can work accurately with
the order of 10mV. The application of SGM8199L 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 RSHUNT, 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.
VCC
VCM
RS < 10Ω
RINT
IN+
IN-
REF
OUT
Unidirectional Application
+
In unidirectional operation, the current measuring
direction of SGM8199L 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.
RSHUNT
Bias
CF
_
Output
RS < 10Ω
RINT
Load
GND
Figure 2. Filtering at Input
For the least frequent case, REF pin can connect to the
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Voltage Output, High-Side or Low-Side Measurement,
Bidirectional Current Shunt Monitor
SGM8199L
APPLICATION INFORMATION (continued)
However, the users may concern about the amount of
Shutting Down SGM8199L
current through SGM8199L 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 SGM8199L,
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
+
+
RSHUNT
Product Family Table
_
Output
Product
Gain
50
R1 and R2
1MΩ
R3 and R4
20kΩ
SGM8199L1
SGM8199L2
Load
GND
100
1MΩ
10kΩ
NOTE: 1MΩ path from shunt inputs to reference and SGM8199L 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
SGM8199L
APPLICATION INFORMATION (continued)
If the low power Zener diode cannot protect the current
The Performance of SGM8199L 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 SGM8199L itself
and its protective components is equivalent to the
MSOP-8 package, and smaller than SOIC-8 package.
Common Mode Transients above 26V
The SGM8199L 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
SGM8199L
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
12
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
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PACKAGE INFORMATION
PACKAGE OUTLINE DIMENSIONS
UTQFN-1.8×1.4-10L
NOTES:
1. All linear dimensions are in millimeters.
2. This drawing is subject to change without notice.
SG Micro Corp
TX00091.000
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″
7″
9.5
9.0
2.40
1.75
2.50
2.10
1.20
0.70
4.0
4.0
4.0
4.0
2.0
2.0
8.0
8.0
Q3
Q1
UTQFN-1.8×1.4-10L
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
相关型号：
SGM8199N
Voltage Output, High-side or Low-side Measurement, Bidirectional Current Shunt Monitor
SGMICRO
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