DS2437S-3 Maxim Integrated Products, DS2437S-3 Datasheet - Page 22

• Manufacturer Part Number: DS2437S-3
• Description: IC MONITOR SMART BATTERY 16-SSOP
• Manufacturer: Maxim Integrated Products

Specifications of DS2437S-3

• Function: Battery Monitor
• Battery Type: Smart Batteries
• Voltage - Supply: 2.7 V ~ 10 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Sample Command Sequence Table 8
Example: Bus Master issues a temperature and voltage conversion, then reads the temperature, battery
voltage, battery current, all on a single DS2437.
MASTER MODE DATA (LSB FIRST)
TX
RX
TX
TX
TX
RX
TX
TX
TX
RX
TX
TX
TX
RX
TX
TX
RX
TX
RX
<9 data bytes>
Presence
Presence
Presence
Presence
Presence
BEh00h
B8h00h
Reset
Reset
Reset
Reset
Reset
CCh
CCh
CCh
CCh
B4h
44h
Reset Pulse
Presence Pulse
Skip ROM
Issue Convert Temperature Command, Read Slots
Reset Pulse
Presence Pulse
Skip ROM
Issue Convert Voltage Command
Reset pulse, Read Slots
Presence Pulse
Skip ROM
Issue Recall Memory Page 00h Command
Reset Pulse
Presence Pulse
Skip ROM
Issue Read SP 00h Command
Read Scratchpad Data and CRC. This page contains
temperature, voltage, and current measurements.
Reset Pulse
Presence Pulse, done
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COMMENTS
DS2437