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| 型号： | HCPL-7510-300 |
| 英文描述： | Isolated Linear Sensing IC |
| 中文描述： | 隔离线性传感IC |
| 文件页数： | 11/16页 |
| 文件大小： | 117K |
| 代理商： | HCPL-7510-300 |
11
Application Information
Power Supplies and Bypassing
The recommended supply
connections are shown in
Figure 16. A floating power
supply (which in many
applications could be the same
supply that is used to drive
the high-side power transistor)
is regulated to 5 V using a
simple zener diode (D1); the
value of resistor R4 should be
chosen to supply sufficient
current from the existing
floating supply. The voltage
from the current sensing
resistor (Rsense) is applied to
the input of the HCPL-7510
through an RC anti-aliasing
filter (R2 and C2). Although
the application circuit is
relatively simple, a few
recommendations should be
followed to ensure optimal
performance.
The power supply for the
HCPL-7510 is most often
obtained from the same supply
used to power the power
transistor gate drive circuit. If
a dedicated supply is required,
in many cases it is possible to
add an additional winding on
an existing transformer.
Otherwise, some sort of simple
isolated supply can be used,
such as a line powered
transformer or a high-
frequency DC-DC converter.
An inexpensive 78L05 three-
terminal regulator can also be
used to reduce the floating
supply voltage to 5 V. To help
attenuate high- frequency
power supply noise or ripple,
a resistor or inductor can be
used in series with the input
of the regulator to form a
low-pass filter with the
regulator’s input bypass
capacitor.
Figure 16. Recommended supply and sense resistor connections.
+
-
MOTOR
HV-
HV+
R
SENSE
GATE DRIVE
CIRCUIT
V
DD1
V
IN+
V
IN-
GND1
HCPL-7510
C1
0.1 μF
C2
0.01 μF
R2
39
R4
D1
5.1 V
+
-
1
2
3
4
R1
FLOATING
POSITIVE
SUPPLY
相关PDF资料 |
PDF描述 |
|---|---|
| HCPL-7510-300E | Isolated Linear Sensing IC |
| HCPL-7510-500 | Isolated Linear Sensing IC |
| HCPL-7800A-500 | High CMR Isolation Amplifiers |
| HCPL-7800B-300 | High CMR Isolation Amplifiers |
| HCPL-7800B-500 | High CMR Isolation Amplifiers |
相关代理商/技术参数 |
参数描述 |
|---|---|
| HCPL-7510-300E | 功能描述:隔离放大器 4.5 - 5.5 SV +/-3% RoHS:否 制造商:Texas Instruments 输入补偿电压:1.5 mV 共模抑制比（最小值）:95 dB 带宽:60 KHz 工作电源电压:3.3 V 电源电流:8 mA 工作温度范围:- 40 C to + 105 C 安装风格:SMD/SMT 封装 / 箱体:SOP-8 封装:Tube |
| HCPL-7510-360 | 功能描述:隔离放大器 4.5 - 5.5 SV +/-3% RoHS:否 制造商:Texas Instruments 输入补偿电压:1.5 mV 共模抑制比（最小值）:95 dB 带宽:60 KHz 工作电源电压:3.3 V 电源电流:8 mA 工作温度范围:- 40 C to + 105 C 安装风格:SMD/SMT 封装 / 箱体:SOP-8 封装:Tube |
| HCPL-7510-360E | 功能描述:隔离放大器 4.5 - 5.5 SV +/-3% RoHS:否 制造商:Texas Instruments 输入补偿电压:1.5 mV 共模抑制比（最小值）:95 dB 带宽:60 KHz 工作电源电压:3.3 V 电源电流:8 mA 工作温度范围:- 40 C to + 105 C 安装风格:SMD/SMT 封装 / 箱体:SOP-8 封装:Tube |
| HCPL-7510-500 | 功能描述:隔离放大器 4.5 - 5.5 SV +/-3% RoHS:否 制造商:Texas Instruments 输入补偿电压:1.5 mV 共模抑制比（最小值）:95 dB 带宽:60 KHz 工作电源电压:3.3 V 电源电流:8 mA 工作温度范围:- 40 C to + 105 C 安装风格:SMD/SMT 封装 / 箱体:SOP-8 封装:Tube |
| HCPL-7510-500E | 功能描述:隔离放大器 4.5 - 5.5 SV +/-3% RoHS:否 制造商:Texas Instruments 输入补偿电压:1.5 mV 共模抑制比（最小值）:95 dB 带宽:60 KHz 工作电源电压:3.3 V 电源电流:8 mA 工作温度范围:- 40 C to + 105 C 安装风格:SMD/SMT 封装 / 箱体:SOP-8 封装:Tube |
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