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Name: BQ4832YMA-85
Brand: Texas Instruments
SKU: BQ4832YMA-85
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments BQ4832YMA-85

Part No.:: BQ4832YMA-85

Manufacturer:: Texas Instruments

Package:: 32-DIP Module (0.610, 15.49mm)

Datasheet:: BQ4832YMA-85.pdf

Description:: IC RTC CLK/CALENDAR PAR 32-DIP

In Stock:: 331

Quantity:: Add To Cart

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BQ4832YMA-85 Specifications

Package/Case:
32-DIP Module (0.610, 15.49mm)
Packaging:
Tube,Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Supervisor, Watchdog Timer
MemorySize:
-
TimeFormat:
HH:MM:SS:hh (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
-
Current-Timekeeping(Max):
4mA @ 4.5 V ~ 5.5 V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Through Hole

BQ4832YMA-85 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BQ4832YMA-85 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for BQ4832YMA-85 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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BQ4832YMA-85 information

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Basic introduction and simple engineering application of BQ4832YMA-85

BQ4832YMA-85 is a versatile voltage reference IC commonly used in electronic circuits for precise voltage regulation. It features a low temperature coefficient, high accuracy, and low dropout voltage, making it suitable for various applications requiring stable voltage references.

Application Scenario:

In a simple temperature-controlled fan project, BQ4832YMA-85 can be utilized to provide a stable voltage reference for the temperature sensor and the fan speed control circuit.

Circuit Design:

To implement a temperature-controlled fan system using BQ4832YMA-85, follow these steps:

1. Temperature Sensor Connection:

Connect a temperature sensor, such as a thermistor, to one of the analog input pins of the microcontroller, such as pin A0. Ensure proper conditioning circuitry, like signal amplifiers, is used for accurate temperature measurement.

2. Voltage Reference Connection:

Connect the output pin of BQ4832YMA-85 to the reference voltage input of the microcontroller, such as pin VREF. This provides a stable voltage reference for the analog-to-digital converter (ADC) to ensure accurate temperature readings.

3. Fan Speed Control:

Connect the output pin of the microcontroller, which controls the fan speed, to the input of a motor driver circuit. Use PWM (Pulse Width Modulation) to vary the speed of the fan based on the temperature readings.

4. Power Supply:

Ensure a stable power supply for the entire circuit. Use voltage regulators, such as LM7805, to provide regulated voltage to the microcontroller, BQ4832YMA-85, and other components.

5. User Interface:

Integrate a user interface, such as an LCD display, to show real-time temperature readings and fan speed. Use digital output pins of the microcontroller to control the display.

Experiment Steps:

Follow these steps to conduct a simple experiment with the temperature-controlled fan system:

1. Circuit Assembly: Assemble the circuit on a breadboard, ensuring proper connections between the components.

2. Temperature Measurement: Place the temperature sensor in a controlled environment with varying temperatures and observe the readings on the LCD display.

3. Fan Speed Variation: Observe how the fan speed changes in response to temperature variations. Higher temperatures should result in increased fan speed, and vice versa.

4. Stability Testing: Test the stability of the system by subjecting it to rapid temperature changes and observing the response of the fan speed control.

5. Data Logging: Optionally, log temperature readings and fan speeds over time using a microcontroller with built-in data logging capabilities or an external data logging device.

Considerations:

When designing and experimenting with the circuit, consider the following:

- Accuracy of Temperature Sensor: Use a calibrated temperature sensor to ensure accurate temperature measurements.

- Response Time: Optimize the firmware algorithms for faster response time to temperature changes for better fan speed control.

- Power Consumption: Ensure the overall power consumption of the system is within acceptable limits, especially in battery-powered applications.

- Component Selection: Choose appropriate components, such as capacitors and resistors, with suitable values for stable operation of the circuit.

- Safety Precautions: Take necessary precautions to prevent overheating and short circuits during experimentation, especially when working with high voltages or currents.

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6. What is the process for return or replacement of BQ4832YMA-85?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the BQ4832YMA-85 we delivered, we will accept the replacement or return of the BQ4832YMA-85 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of BQ4832YMA-85.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations