LTC4215/LTC4215-2
22
4215fe
APPLICATIONS INFORMATION
Table 1B. LTC4215 Device Addressing (GN16 Package)
DESCRIPTION
DEVICE
ADDRESS
DEVICE ADDRESS
LTC4215GN
ADDRESS PINS
h
7
6
5
4
3
2
1
0
ADR2
ADR1
ADR0
Mass Write
BE
1
0
1
1
1
1
1
0
X
X
X
Alert Response
19
0
0
0
1
1
0
0
1
X
X
X
0
90
1
0
0
1
0
0
0
X
NC
NC
L
1
94
1
0
0
1
0
1
0
X
NC
NC
NC
2
96
1
0
0
1
0
1
1
X
NC
NC
H
Table 2. CONTROL Register A (00h)Read/Write
BIT
NAME
OPERATION
A7:6 GPIO Con gure
FUNCTION
A6
A7
GPIO PIN
Power Good (Default)
0
0
GPIO = C3
Power Good
0
1
GPIO = C3
General Purpose Output
1
0
GPIO = B6
General Purpose Input
1
1
C6 = GPIO
A5
Test Mode Enable Enables Test Mode to Disable the ADC; 1 = ADC Disable, 0 = ADC Enable (Default)
A4
Mass Write Enable Allows Mass Write Addressing; 1 = Mass Write Enabled (Default), 0 = Mass Write Disabled
A3
FET On Control
On Control Bit Latches the State of the ON Pin at the End of the Debounce Delay; 1 = FET On, 0 = FET Off
A2
Overcurrent
Auto-Retry
Overcurrent Auto-Retry Bit; 1 = Auto-Retry After Overcurrent (Default LTC4215-2), 0 = Latch Off After Overcurrent (Default
LTC4215)
A1
Undervoltage
Auto-Retry
Undervoltage Auto-Retry; 1 = Auto-Retry After Undervoltage (Default), 0 = Latch Off After Undervoltage
A0
Overvoltage
Auto-Retry
Overvoltage Auto-Retry; 1 = Auto-Retry After Overvoltage (Default), 0 = Latch Off After Overvoltage
Table 3. ALERT Register B (01h)Read/Write
BIT
NAME
OPERATION
B7
Reserved
Not Used
B6
GPIO Output
Output Data Bit to GPIO Pin when Con gured as Output. Defaults to 0
B5
FET Short Alert Enables Alert for FET Short Condition; 1 = Enable Alert, 0 = Disable Alert (Default)
B4
EN State
Change Alert
Enables Alert when EN Changes State; 1 = Enable Alert, 0 Disable Alert (Default)
B3
Power Bad
Alert
Enables Alert when Output Power is Bad; 1 = Enable Alert, 0 Disable Alert (Default)
B2
Overcurrent
Alert
Enables Alert for Overcurrent Condition; 1 = Enable Alert, 0 Disable Alert (Default)
B1
Undervoltage
Alert
Enables Alert for Undervoltage Condition; 1 = Enable Alert, 0 Disable Alert (Default)
B0
Overvoltage
Alert
Enables Alert for Overvoltage Condition; 1 = Enable Alert, 0 Disable Alert (Default)
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