DS2435S Ver la hoja de datos (PDF) - Dallas Semiconductor -> Maxim Integrated

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DS2435S

Battery Identification Chip with Time/Temperature Histogram

Dallas Semiconductor -> Maxim Integrated 

DS2435

Information is sent to/from the DS2435 over a 1-Wire interface, reducing the number of battery pack

connectors to only three; power, ground, and the 1-Wire interface.

DETAILED PIN DESCRIPTION

PIN

PIN

16-PIN SSOP PR-35 SYMBOL

8, 9

1

GND

1

2

DQ

16

3

VDD

2-7, 10-15

-

NC

DESCRIPTION

Ground pin.

Data Input/Output pin - for 1-Wire communication port.

Supply pin - input power supply.

No Connect

OVERVIEW

The DS2435 has six major components: 1) Scratchpad Memory, 2) Nonvolatile Memory, 3) On-board

SRAM, 4) Temperature Sensor, 5) ID Register, and 6) Elapsed Time Counter. All data is read and written

least significant bit first.

Access to the DS2435 is over a 1-Wire interface. Charging parameters, battery chemistry, gas gauge

information, and other user data would be stored in the DS2435, allowing this information to remain

permanently in the battery pack. Nonvolatile (E2) RAM holds information even if the battery goes dead;

as long as the battery remains within typical charge/discharge operating range, the SRAM provides

battery-backed storage of information.

DS2435 BLOCK DIAGRAM Figure 1

2 of 24

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