Mounting Type
Mounting Type refers to the method by which an electronic component is attached to a printed circuit board (PCB) or other surface. Common mounting types include:
* Through-hole: Component leads are inserted into holes in the PCB and soldered on the other side.
* Surface-mount: Component is placed on the surface of the PCB and soldered in place.
* Press-fit: Component is pressed into place on the PCB without soldering.
* Socket: Component is inserted into a socket on the PCB, allowing for easy replacement.
The mounting type is determined by factors such as the component's size, shape, and power requirements.
Surface Mount
Package / Case
Package / Case refers to the physical housing or enclosure that encapsulates an electronic component. It provides protection, facilitates handling, and enables electrical connections. The package type determines the component's size, shape, pin configuration, and mounting options. Common package types include DIP (dual in-line package), SOIC (small outline integrated circuit), and BGA (ball grid array). The package also influences the component's thermal and electrical performance.
24-SOIC (0.295, 7.50mm Width)
Operating Temperature
Operating Temperature is the range of temperatures at which an electronic component can function properly. It is typically specified in degrees Celsius (°C) and indicates the minimum and maximum temperatures at which the component can operate without experiencing damage or degradation. Operating Temperature is an important parameter to consider when designing electronic circuits, as it ensures that the components will function reliably in the intended operating environment.
-40°C~150°C TJ
Part Status
Part Status is an electronic component parameter that indicates the availability and production status of a component. It is typically used to inform customers about the availability of a component, whether it is in production, end-of-life, or obsolete. Part Status can also provide information about any restrictions or limitations on the component's use, such as whether it is only available for certain applications or if it has been discontinued.
Obsolete
Moisture Sensitivity Level (MSL)
Moisture Sensitivity Level (MSL) is a measure of the susceptibility of a surface mount electronic component to moisture-induced damage during soldering. It is classified into six levels, from 1 (least sensitive) to 6 (most sensitive). MSL is determined by the materials used in the component's construction, including the solderability of its terminals and the presence of moisture-absorbing materials. Components with higher MSL ratings require more stringent handling and storage conditions to prevent moisture absorption and subsequent damage during soldering.
1 (Unlimited)
Voltage - Supply
4.5V~5.5V
Reach Compliance Code
unknown
Base Part Number
MCZ33991
Function
Function refers to the primary purpose or role of an electronic component within a circuit. It describes the specific task or operation that the component is designed to perform. For example, a resistor's function is to limit current flow, a capacitor's function is to store electrical energy, and a transistor's function is to amplify or switch signals. Understanding the function of a component is crucial for selecting the appropriate component for a particular application and ensuring its proper operation within the circuit.
Driver - Fully Integrated, Control and Power Stage
Interface
In electronics, an interface refers to the connection point or boundary between two or more electronic systems or devices. It defines the physical, electrical, and logical characteristics that enable communication and data exchange between them.
An interface specifies the protocols, pinouts, voltage levels, data formats, and other parameters necessary for the systems to interact seamlessly. It ensures compatibility and interoperability between different components or devices, allowing them to exchange information and perform their intended functions.
SPI
Analog IC - Other Type
STEPPER MOTOR CONTROLLER
Output Configuration
Output Configuration refers to the arrangement of output terminals or pins on an electronic component. It specifies the number, type, and arrangement of these terminals, allowing for various connection options. This parameter is crucial for determining the component's compatibility with other devices and ensuring proper signal flow within a circuit.
Half Bridge (8)
Motor Type - Stepper
Bipolar
RoHS Status
ROHS3 Compliant
Description
The MC33991 is a single-packaged, Serial Peripheral Interface (SPI)-controlled, dual stepper motor gauge driver Integrated Circuit (IC). It consists of four dual output H-Bridge coil drivers and associated control logic. Each pair of H-Bridge drivers automatically controls the speed, direction, and magnitude of current through the two coils of a two-phase instrumentation stepper motor.
Features
MMT-Licensed Two-Phase Stepper Motor Compatible
Minimal Processor Overhead Required
Fully Integrated Pointer Movement and Position State Machine with Air Core Movement Emulation
4096 Possible Steady State Pointer Positions
340 Maximum Pointer Sweep
Linear 4500°2 Maximum Pointer Velocity of 400°
Analog Microstepping (12 Steps/Degree of Pointer Movement)
Pointer Calibration and Return to Zero
SPI Controlled 16-Bit Word
Calibratable Internal Clock
Low Sleep Mode Current
Pb-Free Packaging Designated by Suffix Code EG
Applications
Automotive instrumentation systems requiring distributed and flexible stepper motor gauge driving
Emulation of air core pointer movement with minimal additional processor bandwidth utilization