Allicdata Part #: | 497-3660-5-ND |
Manufacturer Part#: |
L9822E |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | STMicroelectronics |
Short Description: | IC DRVR SOLENOID OCT 15MULTIWATT |
More Detail: | N/A |
DataSheet: | L9822E Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Voltage - Supply (Vcc/Vdd): | -- |
Base Part Number: | L9822 |
Supplier Device Package: | 15-Multiwatt |
Package / Case: | Multiwatt-15 (Vertical, Bent and Staggered Leads) |
Operating Temperature: | -40°C ~ 150°C (TJ) |
Fault Protection: | Current Limiting (Fixed) |
Features: | Status Flag |
Input Type: | -- |
Rds On (Typ): | 550 mOhm |
Current - Output (Max): | -- |
Series: | -- |
Voltage - Load: | 4.5 V ~ 5.5 V |
Interface: | SPI |
Output Type: | -- |
Output Configuration: | Low Side |
Ratio - Input:Output: | 1:8 |
Number of Outputs: | 8 |
Switch Type: | Relay, Solenoid Driver |
Part Status: | Obsolete |
Packaging: | Tube |
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The L9822E power management integrated circuit (PMIC) is a current-mode, voltage-controlled, high-side and low-side, two-phase switch and load driver. It is designed to accurately control the output current through a wide range of supply voltages. This PMIC is well-suited for a variety of applications, including consumer appliance, industrial, and automotive, where precision control of the current is necessary.
The L9822E is designed to control the current between two pins, the Source, and the Sink. It has two independent pairs of P-channel and N-channel power MOSFETs, both of which can be independently programmed for a variety of operating modes, including continuous current mode or pulse-width modulation (PWM) mode. The P-channel MOSFETs drive the Source and Sink pins, while the N-channel MOSFETs sense the current between the Source and Sink pins and adjust the MOSFETs’ on-time based on the voltage at the Sink pin.
The voltage at the Sink pin is determined by the load. The L9822E is able to accurately control the current over a wide range of load voltages by using an external resistor divider to set the sink voltage. This voltage is compared with the voltage set at the Source pin and the current is adjusted accordingly. The L9822E has two on-chip comparator circuits that use the two external resistive dividers to adjust the current between the Source and Sink pins.
The L9822E also has two external enable pins, EN1 and EN2. These pins can be used to enable or disable the MOSFETs, allowing for low system power or current shut-off when desired. The L9822E also includes protection circuitry to prevent over-current, over-voltage, and over-temperature conditions.
The L9822E is a highly-integrated PMIC device that provides an extremely low total manufacturing cost and is ideal for a variety of high-current, lowvoltage applications including motor control, AC/DC power supplies, and motor driver circuits. With its current-mode control and wide operating voltage range, the L9822E provides superior current accuracy, thermal stability, and system efficiency in comparison to other solutions.
The specific data is subject to PDF, and the above content is for reference
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