Rainbow-electronics DS2770 Bedienungsanleitung PDF herunterladen (Seite 5)

DS2770

5 of 27

APPLICATION EXAMPLE Figure 2

VDD

FMMT718

4403

VCH

SNS

IS2

VIN

VSS

IS1

Lithium

Protection

Circuit

4.7kW 1kW1kW100W150W

0.1mF0.1mF

360W

0.1mF

SNS

(1)

150W

PACK+

CHARGE

SOURCE

PACK-

DATA

SNS-INT

(2)

10KW

Voltage

Sense

DS2770

VSSSNS

IS2 IS1

5.1V

1 — R

SNS

is present for external sense resistor configuration only.

2 — R

SNS-INT

is present for internal sense resistor configuration only.

1 2 3 4 5 6 7 8 9 10 ... 26 27

FEATURES 1
PIN ASSIGNMENT 1
PIN DESCRIPTION 1
ORDERING INFORMATION 1
DESCRIPTION 2
BLOCK DIAGRAM Figure 1 3
APPLICATION EXAMPLE Figure 2 5
POWER MODES 6
CHARGER FUNCTION 6
NiMH CHARGER OPERATION 8
SECONDARY CHARGE TERMINATION 9
CHARGE TIME REGISTER Figure 4 9
CURRENT MEASUREMENT 9
CURRENT ACCUMULATORS 10
CURRENT OFFSET COMPENSATION 10
11 of 27 11
12 of 27 12
STATUS REGISTER 13
MEMORY MAP Figure 11 13
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Address 01 14
EEPROM REGISTER 15
1-WIRE BUS SYSTEM 15
64-BIT NET ADDRESS 15
NET ADDRESS FORMAT Figure 14 16
CRC GENERATION 16
HARDWARE CONFIGURATION 16
TRANSACTION SEQUENCE 17
NET ADDRESS COMMANDS 17
FUNCTION COMMANDS 18
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20 of 27 20
FUNCTION COMMANDS Table 3 21
I/O SIGNALING 21
PULSE) Figure 18 22
WRITE TIME SLOTS 22
READ TIME SLOTS 22
24 of 27 24
ELECTRICAL CHARACTERISTICS: 25
TEMPERATURE, VOLTAGE, CURRENT 25
(0°C to 50°C, 2.7V £ V 25
£ 4.5V) 25
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1-WIRE INTERFACE 27
(-20°C to 70°C, 2.7V £ V 27
£ 5.5V) 27

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