INA138QPWRQ1 vs INA168QPWRG4Q1
| Part Number |
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| Category | PMIC - Current Regulation/Management | PMIC - Current Regulation/Management |
| Manufacturer | Texas Instruments | Texas Instruments |
| Description | IC CURRENT MONITOR 0.5% 8TSSOP | IC CURRENT SHUNT MONITOR 8TSSOP |
| Package | -Reel® | Tape & Reel (TR) |
| Series | Automotive, AEC-Q100 | Automotive, AEC-Q100 |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 8-TSSOP (0.173\", 4.40mm Width) | 8-TSSOP (0.173\", 4.40mm Width) |
| Supplier Device Package | 8-TSSOP | 8-TSSOP |
| Function | Current Monitor | Current Monitor |
| Accuracy | ±0.5% | ±0.5% |
| Current - Output | - | - |
| Voltage - Input | 2.7V ~ 36V | 2.7V ~ 60V |
| Sensing Method | High-Side | High-Side |
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1. What are the typical application scenarios of PMIC current regulators?
Current regulators are commonly used in scenarios such as LED driving, charging management, battery protection, motor control, and sensor circuits to provide precise current control and protection functions.
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2. What is the working principle of a current regulation/management IC?
The current management IC maintains stability by monitoring current changes and adjusting the output current to prevent load changes or input voltage fluctuations from affecting the system. In addition, it can also limit excessive current input to protect sensitive circuit components.
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3. What is the difference between a current regulation IC and a voltage regulation IC?
The current regulation IC is responsible for controlling the current to ensure that the load obtains the appropriate amount of current, while the voltage regulation IC is responsible for controlling the voltage output to maintain a stable voltage supply. Both have their own responsibilities in power management.
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4. How do PMIC current management ICs cope with high temperature environments?
In high temperature environments, current management ICs need to have thermal protection to prevent malfunctions caused by overheating. Selecting an IC with temperature compensation and overtemperature protection helps ensure stability and safety.
