MM912_637: Battery Sensor with LIN for 12 V Lead-acid Batteries
Overview
Features
Features
Product Longevity Program
- This product is included in NXP’s product longevity program, with assured supply for a minimum of 10 years after launch
CPU Core
- S12 microcontroller with 128kByte(J) or 96kByte(I) Flash
- 4 kByte Data Flash
- 6 kBytes of RAM
- Background debug (BDM)
Standard I/O
- 8 x MCU General Purpose I/O including SPI functionality
- 4 x 5V GPIO including one Wake Up capable High Voltage Input (PTB3/L0)
- 16-Bit, 4 Channel - Timer Module (TIM16B4C)
- 8-Bit, 2 Channel - Pulse width modulation module (PWM)
Application Specific Functions
- Battery Voltage Measurement
- Battery Current Measurement in up to 8 ranges
- Accurate internal oscillator (for extended accuracy an external quartz oscillator may be used)
- Normal and 2 low-power modes
- Communication via LIN 2.1, LIN2.0 bus interface
- Triggered wake-up from LIN and periodic wake-up
- Signal Low Pass Filtering (Current, Voltage)
- PGA (programmable low-noise gain amplifier) with automatic gain control feature
- Current threshold detection and current averaging in standby/wake-up from low-power mode
- External Temperature Sensor Option (TSUP, VTEMP)
- Optional 2nd external voltage sense input (VOPT)
- On-chip temperature measurement
- Industry standard EMC compliance
Key Parametrics
-
- Data Rate [min] kbps
- 20
-
- Data Rate (Max) (Kbps)
- 100
-
- Load Supply Voltage (Min) (V)
- 3.5
-
- Load Supply Voltage (Max) (V)
- 28
-
- Ambient Operating Temperature (Min to Max) (℃)
- -40 to 105, -40 to 125
-
- Flash (kB)
- 96, 128
.