STW4102IQT STMicroelectronics, STW4102IQT Datasheet - Page 4

• Manufacturer Part Number: STW4102IQT
• Description: IC LI-ION BATT CHRGR DUAL 24QFN
• Manufacturer: STMicroelectronics

Specifications of STW4102IQT

• Function: Battery Monitor
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 4.25 V ~ 16 V
• Operating Temperature: -30°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-QFN
• Product: Charge Management
• Output Voltage: 4.7 V
• Output Current: 100 mA to 1000 mA
• Operating Supply Voltage: 4.25 V to 16 V
• Supply Current: 2 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 30 C
• Mounting Style: SMD/SMT
• For Use With: 497-8514 - BOARD EVAL STW4102/STM32497-8338 - BOARD EVAL BASED ON STW4102
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6840-2

Block diagram
1
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Block diagram
Figure 1.
PWRDETECTN
USBPWR
LDODRV
RESETN
EOCHG
CVREF
LDOFB
MAIN
VIO
SDA
SCL
Internal block diagram
LDO
I
2
Charge Control
C interface
Registers
Main
adapter
Detect
USB
Detect
DRIVER
LDO driver 4.7V
Main supply
USB Power Device (max 500mA)
Main Power Device (max 1A)
Regulation
Vref
CC/CV
Voltage
Current
Driver
Registers
24 bit accumulator
Control
Control registers
Charge current
Trickle threshold
Trickle current
Charge Voltage
GND
Thermal regulation
Battery Monitoring
AD converter
Current Sense
7-12 bits
Voltage Sense
Power On
Reset
Current defined by
Supply
Internal
external resistor
12 bits + sign bit
configuration
AD converter
CC/CV
Battery voltage
TEST
C32KHZ
STDBY
BATTSENSE
SENSE
CVIS
ICG-
VOUT
BATT
ISET
ICG+
STw4102