JM Logo

battery chargers ICs

Manufacturer's P/N: HT45F8750 48LQFP-EP
Show more information about the brand Holtek Semiconductor

8bit, BMS MCU, Vinmax=36V, 8KB/512B
Standard packaging:
5000 pcs.

Minimum order:
5000 pcs.

Minimum batch:
0 pcs.

In stock:

CPU features

  • operating voltage
    • fSYS =8MHz: 1.8V~5.5V
    • fSYS =12MHz: 2.7V~5.5V
    • fSYS =16MHz: 3.3V~5.5V
  • up to 0.25μs instruction cycle with 16MHz system clock at VDD =5V
  • power down and wake-up functions to reduce power consumption
  • oscillator types
    • external high speed crystal – HXT
    • internal high speed 8/12/16MHz RC – HIRC
    • external low speed 32.768kHz Crystal – LXT
    • internal low speed 32kHz RC – LIRC
  • multi-mode operation: FAST, SLOW, IDLE and SLEEP
  • fully integrated internal 8MHz,12MHz and 16MHz oscillators require no external components
  • all instructions executed in 1~3 instruction cycles
  • table read instructions
  • 115 powerful instructions
  • 8-level subroutine nesting
  • bit manipulation instruction

Peripheral features

  • flash program memory: 8K×16
  • RAM data memory: 512×8
  • true EEPROM memory: 128×8
  • watchdog timer function
  • in application programming – IAP
  • 21 bidirectional I/O lines
  • two external interrupt lines shared with I/O pins
  • programmable I/O port source current for LED applications
  • multiple timer modules for time measure, compare match output, PWM output function or single pulse output function
  • serial interfaces module – SIM for SPI or I²C communication
  • fully-duplex universal asynchronous receiver and transmitter interface – UART
  • 8 external channel 12-bit resolution A/D converter with programmable internal reference voltage VVR
  • single comparator function
  • dual time-base functions for generation of fixed time interrupt signals
  • low voltage reset function
  • low voltage detect function
  • package type: 48-pin LQFP-EP

Individual cell voltage monitor features

  • integrated voltage regulator with 5V/50mA and ±1% accuracy
  • individual cell voltage monitor outputs 1/2 of battery cell voltage, when the analog output is 2.1V, it has an accuracy of ±7.5mV
  • at Ta=-40°C~85°C, 2.5V reference voltage output with a maximum variation of 15mV in temperature drift
  • internal cell charging balance switches
  • two discharge N-type MOSFET gate drivers
  • single charge N-type MOSFET gate driver
  • charge/discharge differential OPA current monitor
    • IMON pin outputs amplified ISP-ISN differential voltage
    • voltage amplifying rate selection: 10/50
  • discharge short-current detection
    • detection threshold voltage selection: 50mV/100mV/150mV/200mV/250mV/300mV/350mV/400mV
    • detection debounce time selection: 0μs~992μs, 32 sections, 32μs per section
  • integrated over-temperature protection selection: 85°C/100°C/125°C/150°C
  • sleep mode with 0.1μA ultra-low standby current
  • two high-voltage wake-up functions


Additional documentation

No similar products

No related products

Holtek's offer at Embedded World 2019
Decorative footer graphics
System B2B by

We use information stored using cookies and similar technologies for statistical purposes and to adapt our store to the individual needs of customers. You can change the settings for cookies in the program used to operate the Internet. Using our online store without changing the settings for cookies means that they will be saved in the device's memory. More information can be found in our privacy policy