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MAX17843 Datasheet(PDF) 118 Page - Maxim Integrated Products

Part # MAX17843
Description  12-Channel, High-Voltage Smart Sensor Data-Acquisition Interface
PDF  131 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX17843 Datasheet(HTML) 118 Page - Maxim Integrated Products

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BIT
POR
NAME
DESCRIPTION
D15
0
DCHGWIN[2:0]
Configuration for emergency cell-discharge mode (EMGCYDCHG = 1). Sets the duty-
cycle for each discharge cycle (even or odd) per the table below:
D14
DCHGWIN[2:0] (LSb = 7.5s)
BEHAVIOR
D13
0h
Switches on for 7.5s, off for 52.5s
1h
Switches on for 15s, off for 45s
…
…
7h
Switches on for 59.94s, off for 62.5ms
D12
0
Reserved
Always reads logic-zero.
D11
0
DCHGCNTR[3:0]
Discharge counter, which can be read to verify operation of the emergency cell-discharge
mode (EMGCYDCHG = 1). During the cell-discharge mode, the discharge counter counts
at 2Hz rolling over at Fh to 0h and continuing until the cell-discharge mode terminates.
Read-only.
D10
D9
D8
D7
0
DCHGTIME[7:0]
Write to set the timeout value of the emergency cell-discharge mode (EMGCYDCHG = 1)
per the table below. Writing to 00h disables the timer and terminates the emergency cell-
discharge mode. The timer starts when EMGCYDCHG = 1 (and DCHGTIME[7:0] ≠ 00h)
and stops when it reaches the timeout. The timer is reset when EMGCYDCHG = 0.
D6
D5
D4
D3
DCHGTIME[7:0] (LSb = 2 HOURS)
TIMEOUT
D2
00h
Discharge mode disabled
D1
01h
Discharge mode disabled after 4 hours
D0
02h
Discharge mode disabled after 6 hours
…
…
FFh
Discharge mode disabled after 512 hours
BIT
POR
NAME
DESCRIPTION
D15
0
Reserved
Always reads logic-zero.
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
Ch
TOPCELL[3:0]
Configures the top cell position if less than 12 channels are used. This is to properly
mask the ALRTBALSW diagnostic alerts. TOPCELL[3:0] = 0h is not a valid configuration.
TOPCELL[3:0]= Dh, Eh, or Fh is identical to Ch (12d).
D2
D1
D0
MAX17843
12-Channel, High-Voltage Smart Sensor
Data-Acquisition Interface
www.maximintegrated.com
Maxim Integrated │ 118
BALSWDCHG Register (address 0x1D)
TOPCELL Register (address 0x1E)



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