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BQ32000DR
+StücklisteIC RTC CLK/CALENDAR I2C 8-SOIC
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HerstellerTexas Instruments
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Herstellerteil #BQ32000DR
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Paket SOIC-8
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Auf Lager7437
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Type | Clock/Calendar |
| Features | Leap Year, Square Wave Output, Trickle-Charger |
| TimeFormat | HH:MM:SS (24 hr) |
| DateFormat | YY-MM-DD-dd |
| Interface | I²C, 2-Wire Serial |
| Voltage-Supply | 3V ~ 3.6V |
| Voltage-SupplyBattery | 1.4V ~ 3.6V |
| Current-Timekeeping(Max) | 100µA @ 3.3V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Übersicht
Description
The BQ32000DR features two-wire I2C serial interface communication, allowing it to easily integrate with microcontrollers and other digital systems. It includes features such as programmable square-wave output and automatic leap year compensation, enhancing its functionality for various applications. The device is housed in a small 8-pin SOIC (Small Outline Integrated Circuit) package, providing a compact footprint for space-constrained designs.
Overall, the BQ32000DR is ideal for use in a wide range of applications, including consumer electronics, industrial systems, and any embedded system that requires accurate timekeeping and low power consumption.
Equivalent
Features
1. Low Power Consumption: It is engineered to operate on minimal power, ideal for battery-operated devices.
2. Timekeeping: Provides time data in seconds, minutes, hours, day, date, month, and year. It automatically adjusts for months with fewer than 31 days and leap years.
3. I2C Interface: The RTC communicates via a standard I2C interface, making it easy to integrate with microcontrollers and other I2C-compatible devices.
4. Backup Supply Input: Includes a backup power pin to maintain timekeeping during main power loss, using a small battery or supercapacitor.
5. Programmable Square-Wave Output: Features a square-wave output that can be programmed for different frequencies.
6. Temperature-Compensated Oscillator: Offers a built-in temperature-compensated oscillator to improve accuracy over varying temperatures.
7. Compact Package: Offered in a small, 8-pin SOIC package, making it suitable for space-constrained applications.
These features make the BQ32000DR a versatile choice for systems requiring accurate and reliable timekeeping.
Pinout
Here's a summary of its pin count and functions:
1. VCC (Pin 8): Power supply input.
2. GND (Pin 4): Ground connection.
3. SDA (Pin 5): Serial Data input/output for I2C communication.
4. SCL (Pin 6): Serial Clock input for I2C communication.
5. CLKOUT (Pin 7): Clock output, which can be programmed to output various clock frequencies.
6. VBAT (Pin 3): Backup battery input to maintain timekeeping during a power failure.
7. X1 (Pin 1) and X2 (Pin 2): Connections for the external crystal oscillator to keep time.
These pins allow the BQ32000DR to interface with a microcontroller via I2C and maintain accurate time even during power outages by switching to a battery backup.
Manufacturer
Application
1. Consumer Electronics: Used in devices like digital cameras, televisions, and portable media players for time-stamping and scheduling tasks.
2. Industrial Systems: Provides time management for industrial automation and control systems.
3. Computing: Utilized in computers and servers for logging, scheduling, and managing operations.
4. Telecommunications: Supports synchronization and time-stamping in network equipment.
5. Automotive: Offers time-tracking capabilities in infotainment systems and other automotive electronics.
Overall, the BQ32000DR is essential for applications requiring precise timekeeping and scheduling functions.