DS2740U+ Maxim Integrated Products, DS2740U+ Datasheet - Page 12

• Manufacturer Part Number: DS2740U+
• Description: IC CURRENT GAUGE(15BIT) 8UMAX
• Manufacturer: Maxim Integrated Products

Specifications of DS2740U+

• Function: Current Gauge (15 Bit)
• Voltage - Input: 2.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Battery Type: Li-Ion, NiMH
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Charge Safety Timers: No
• Mounting Style: SMD/SMT
• Temperature Monitoring: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Accuracy: -
• Sensing Method: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Figure 10. NET ADDRESS COMMAND FLOW CHART
SERIAL NUMBER
FAMILY CODE
MASTER Tx
COMMAND
FUNCTION
DS2740 Tx
DS2740 Tx
DS2740 Tx
6 BYTES
RESUME
33h / 39h
1 BYTE
1 BYTE
FLAG
READ
CRC
SET
YES
NO
YES
MASTER Tx
MASTER Tx
MASTER Tx
NO
MATCH ?
MATCH ?
MATCH ?
BIT 63
MATCH
BIT 0
BIT 1
BIT 63
BIT 0
BIT 1
55h
YES
YES
YES
PRESENCE PULSE
RESET PULSE
MASTER Tx NET
NO
NO
MASTER Tx
NO
DS2740 Tx
COMMAND
ADDRESS
NO
NO
MASTER Tx BIT 63
MASTER Tx BIT 0
MASTER Tx BIT 1
DS2740 Tx BIT 63
DS2740 Tx BIT 63
DS2740 Tx BIT 0
DS2740 Tx BIT 0
DS2740 Tx BIT 1
DS2740 Tx BIT 1
SEARCH
MATCH ?
MATCH ?
12 of 16
BIT 0
BIT 1
F0h
YES
YES
YES
NO
MASTER Tx
FUNCTION
COMMAND
SKIP
CCh
YES
NO
MASTER Tx
COMMAND
FUNCTION
FLAG SET ?
RESUME
RESUME
A5h
YES
YES
NO
NO