Overview
The M4T32-BR12SH6 is a detachable lithium power source designed by STMicroelectronics for their serial real-time clock and non-volatile TIMEKEEPER® devices. This component is part of the SNAPHAT® family, which provides battery backup power in a convenient and removable package. It is specifically tailored for use with surface-mounted SOIC packages, particularly those with 28 or 44 pins. The M4T32-BR12SH6 is notable for its high battery capacity and robust design, making it suitable for a variety of applications requiring reliable timekeeping and data retention.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Battery Capacity | 120 | mAh |
| Battery Chemistry | Lithium (Li(CF)) | |
| Nominal Battery Voltage | 2.8 | V |
| Crystal Frequency | 32.768 | kHz |
| Crystal Load Capacitance | 12.5 | pF |
| Crystal Accuracy (at 25°C) | ±35 | ppm |
| Operating Temperature | -40 to 85 | °C |
| Storage Temperature (VCC off, oscillator off) | -40 to 85 | °C |
Key Features
- Detachable Battery: The M4T32-BR12SH6 features a removable lithium battery, which avoids the heat associated with surface-mount processes and allows for easy replacement and proper disposal.
- SNAPHAT® Design: It snaps directly onto surface-mounted SNAPHAT SOIC packages, ensuring secure and reliable connection.
- Keyed Insertion: The design includes keyed insertion to ensure proper assembly and prevent incorrect installation.
- Pb-free Package: The component is available in Ecopack® packages, which are lead-free and environmentally friendly.
- High Battery Capacity: With a battery capacity of 120 mAh, it provides extended backup power for real-time clock and non-volatile TIMEKEEPER® devices.
Applications
The M4T32-BR12SH6 is primarily used in applications requiring reliable timekeeping and data retention, such as:
- Serial real-time clock devices
- Non-volatile TIMEKEEPER® devices
- Systems with M48 memories
- Industrial and consumer electronics where battery backup is crucial
Q & A
- What is the battery capacity of the M4T32-BR12SH6?
The battery capacity is 120 mAh.
- What type of battery chemistry does the M4T32-BR12SH6 use?
The battery chemistry is Lithium (Li(CF)).
- What is the nominal battery voltage of the M4T32-BR12SH6?
The nominal battery voltage is 2.8 V.
- What is the crystal frequency of the M4T32-BR12SH6?
The crystal frequency is 32.768 kHz.
- What is the operating temperature range of the M4T32-BR12SH6?
The operating temperature range is -40 to 85 °C.
- Is the M4T32-BR12SH6 lead-free?
- How does the M4T32-BR12SH6 attach to the SOIC package?
- Can the battery of the M4T32-BR12SH6 be replaced?
- What are the primary applications of the M4T32-BR12SH6?
- Is the M4T32-BR12SH6 suitable for industrial use?
