LTC2952 Linear Technology, LTC2952 Datasheet - Page 14

• Manufacturer Part Number: LTC2952
• Description: Pushbutton PowerPath Controller
• Manufacturer: Linear Technology

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LTC2952
OPERATION
14
DC2
DC1
PB
DC2
DC1
V2
PB
V2
CONFIGURATION A
CONFIGURATION C
M1 = 0, M2 = 0
IDEAL DIODE 2
M1 = 1, M2 = 1
V1
PB DETECT
PB DETECT
LOGIC
IDEAL DIODE 2
V1
LOGIC
Figure 1. Four Different Typical PowerPath Configurations
IDEAL DIODE 1
G1 AND G2
IDEAL DIODE 1
DRIVER 1 AND 2
IDEAL DIODE
EN
DC/DC
SHDN
EN
DC/DC
SHDN
M2
PB
M2
PB
+
–
+
–
0.5V
0.5V
DC2
DC1
–
+
–
+
DC2
DC1
V2
CONFIGURATION B
V2
CONFIGURATION D
M1 = 0
IDEAL DIODE 2
M1 = 1
V1
IDEAL DIODE 2
V1
PB DETECT
PB DETECT
LOGIC
LOGIC
IDEAL DIODE 1
IDEAL DIODE 1
G1 AND G2
DRIVER 1 AND 2
IDEAL DIODE
IDEAL DIODE
DRIVER 1
G1
EN
EN
2952 F01
DC/DC
DC/DC
SHDN
SHDN
2952fa