GMT G2205 76 channels pmic for dsc Datasheet

G2205
Global Mixed-mode Technology
7+6 Channels PMIC for DSC
Features
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1.5V ~ 5.5V Input Voltage Operation.
95% Efficient DC/DC Converter
Highly Integrated 7-CH DC/DC with integrated
Power MOSFETs
Main Channel Selectable Buck or Boost for
2*AA or Li-Ion Application
Built-in 6 Channel Synchronous Rectified
Current-Mode PWM/PSM Converter, 1 Channel
Non-Synchronous Rectified Current-Mode PWM
Converter.
Boost Type with LED open protection LED Driver
32-steps brightness control by I2C for LED
Driver
Built-in HV LDO and RTC LDO
Built-in 4 LDO regulators
Low Power Consumption ( Sleep Mode ) < 10µA.
Built-In Selectable Power ON/OFF Sequence for
4 Channel Synchronous Rectified Converter.
Built-In Power ON/OFF Sequence by I2C for
CCD+,CCD- power, and HVLDO.
Built-In Short Circuit Protection (SCP) & Under
Voltage Protection (UVP)
Cycle-by-Cycle current limit for DC/DC Converter
Built-In Thermal Shutdown Function.
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Built-In Battery OVP Function.
Built-In Soft-Start Function.
Built-In True Shutdown in Boost Converter.
Fixed 1.5MHz/750KHz Operating Frequency.
TQFN40 Package (5mmx5mm).
Applications
DSC and DV Power Supply
General Description
The G2205 provide a complete power supply solution
for digital cameras. They improve performance,
component count, and size compared to other
multi-channel controllers in 2-cell AA, 1-cell Li-Ion, and
multi-battery designs. On-chip MOSFETs provide up to
92~95% efficiency for critical power supplies. All
channels DC/DC operate at one fixed frequency of
1.5MHz/750KHz to optimize size, cost, and efficiency.
All Synchronous converters operate at pulse skipping
mode at light load. They also feature True-Shutdown
as well as internal compensation to minimize external
component count..
Ordering Information
ORDER
NUMBER
MARKING
TEMP.
RANGE
PACKAGE
(Green)
G2205RG1U
2205
-35°C~+85°C
TQFN5X5-40
Note: RG:TQFN5x5-40
1: Bonding code
U: Tape & Reel
ONSU
PVSD
LXSD
33
31
32
PVSU
SUOUT
35
34
SCL
LXSU
SDA
38
36
PVZ
39
37
LXZ
40
Pin Configuration
G2205
SU
Synchronous Rectified
Current Mode Step-Up
FBZ
1
30
ISET
2
29
VOLED
3
28
RESET_OUT
LXLED
4
27
DET_IN
LXBST
5
PVBST
6
VIN8
FBSD
VBG
26
VSU
25
SEQ_1
7
24
SEQ_2
VOUT8
8
23
VIN11
9
22
VOUT11
10
21
RTCOUT
VOINV
BATT
SD
Synchronous Rectified
Current Mode Step-Down
DDRZ
Synchronous Rectified
Current Mode Step-Down
20
CCD INV
Current Mode Inverting
CCD BST
Synchronous Rectified
Current Mode Step-Up
LXINV
19
18
FBM
PVM U/D
17
16
LXM
PVM
VIN12 15
14
VOUT12
13
12
VIN9/10
VOUT9
VOUT10
11
Thermal
Pad
MAIN
Current Mode
Selectable Step-Up/Step-Down
LED Driver
Synchronous Rectified
Current Mode Step-Up
HV LDO/RTC LDO
G2205 TQFN5X5-40
Note: Recommend connecting the Thermal Pad to
the Ground for excellent power dissipation.
4 x LVLDO
TEL: 886-3-5788833
http://www.gmt.com.tw
Ver: 0.2
Jul 27 2012
1
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