SMB118 SUMMIT Microelectronics, Inc:, SMB118 Datasheet - Page 5

• Manufacturer Part Number: SMB118
• Description: Six-channel Programmable Dc-dc Power Managers With Battery Charger
• Manufacturer: SUMMIT Microelectronics, Inc:

Figure 2a – Typical application schematic of the SMB118 (QFN-48) showing external circuitry necessary to
configure the output channels as: step-up, LDO, step-down outputs and battery charger.
Summit Microelectronics, Inc
SMB118 TYPICAL APPLICATION
+1.5V to 3.75 @ 65mA
USB/AC Charging
VDC = +6V
VUSB
+3.0V to +4.2V
1-cell Li-Ion
+2.7 to +6.0V
Battery Pack
Rcsb
10KΩ
NTC
VDDCAP
BFETDRV
BCSH
BCSL
VBATT
GND
DOCK_DC
BSENSE
TSENSE
LDOIN2
LDOOUT2
SDA
SCL
POWER_FAIL
nBATT_FAULT
HEALTHY
nALERT
nRESET
BSTAT
DCIN
PWR_EN
SHDN
SMB118
2107 2.4 5/5/2008
PCHSEQ3
PCHSEQ1
COMPA3
COMPB3
COMP5
COMP6
COMP4
DRVH3
DRVL1
COMP1
DRVL4
DRVL3
DRVL6
DRVL5
CSH1
CSL1
VIN3
VIN4
SW4
FB1
VIN6
SW6
VIN5
SW5
FB5
FB4
FB6
Rsense2
+0.5V to VIN7(+2.5V typ) @
+0.5V to VIN7(+2.5V typ) @
Preliminary Specification
+0.5Vto VIN7(+2.5V typ) @
SMB118/218
500mA
500mA
500mA
Vbatt to +35V (+15V typ)
+0.5V to +35V (+5V typ)
@ 200mA
Buck or Boost
@ 600mA
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