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power management
interface
Complementary Product Lines
Power Management
Interface
Optical Storage
• LDO’s
• DC/DC Regulators
• 3V Serial Interface
• Auto Power Control
• PWM Controllers
• 5V Serial Interface
• Photo Detector IC
• White LED Drivers
• Multi-Protocol
• Laser Diode Driver
• Charge Pumps
• Supervisor / Reset
~ 200 Part Types
~ 125 Part Types
~ 30 Part Types
Commodity to Proprietary
Custom/ASSP
Commodity to ASSP
optical
Ralf J. Muenster 0205
Company Confidential
power management
interface
Camera Flash LED
Drivers
Feb 2005
optical
power management
interface
Segment Analysis
Camera Flash Driver Product Development Strategy
Flash Boost
Flash Driver CP 200mA
Flash Driver CP 400mA
Flash Driver CP 700mA
Flash Driver CP 1A
Flash Low Side Driver
Flash/BL Combo Driver
300
250
Million $
200
SP6648
SP7648
SP6649
SP668x
150
SP6648
SP7648
100
SP6682
SP6683
SP6684
SP6686
SP7686
SP6686
SP6685
SP7687
50
-
SP6685
-
SP7687
SP7681
2005
2006
optical
Ralf J. Muenster 0205
 SP6648
– 800mA Boost Regulator
 SP7648
– 900mA Boost Regulator with dual reference and true shutdown
 SP6682
– 200mA 1.5x/2x charge pump
 SP6683
– 300mA 1x/1.5x Buck/Boost Charge Pump
 SP6686
– 400mA 1x/2x Buck/Boost Charge Pump LED Driver
 SP6685
– 700mA 1x/2x Buck/Boost Charge Pump LED Driver
 Product Roadmap
– low cost fixed output voltage charge pump with minimal
external components
 SP6684
SP7618
0
 Products Available
 SP6649
– 1.5A boost regulator
 SP7618
– Low Dropout low side flash driver (in Fab)
 SP7687
– 400mA Ultra Small Buck/Boost Charge Pump LED Driver with
DAC
2007
Company Confidential
power management
interface
SP6685
700mA Buck/Boost Charge Pump Camera
Flash LED Driver
 Industry’s fastest charge pump buck/boost regulator
 700mA output current for camera flash LEDs
 Up to 5.5V out for high VF LEDs
 No inductor required!
 Current regulation for best efficiency and matching
Industry’s Smallest Solution Size!
3x3 mm DFN-10 package!
 2.4MHz Operation allowing for tiny external caps
 Flash / Torch Mode for still or motion pictures
 1X and 2X Automatic Switch Modes
 To ensure the highest efficiency possible
1mF
 Programmable Flash mode current
 PWM dimming control
 Easy to program and simple to use
 Excellent circuit protection
 Over voltage
 Over current
 Over temperature
optical
Ralf J. Muenster 0205
4.7mF
VIN
700mA
C2
C1
VOUT
SP6685
FLASH
Li +
Company Confidential
power management
EN
FB
GND
RSET
interface
1mF
SP6685 Competitive Analysis
Linear
Maxim
LTC3216
MAX1577
SP6685
1A
1.2A
700mA
Usable Current in
Cell Phones
700mA
700mA
700mA
Regulation
Current
Current
Current
ADJ
ADJ
ADJ
1X, 1.5X, 2X
Auto switch
1X – 2X
Auto switch
1X – 2X
Auto switch
0.95 MHz
1.0 MHz
2.4MHz
Cin / Cout
2.2µF / 4.7µF
4.7µF / 10µF
4.7 mF/ 1 mF
Flying Cap
2 x 2.2µF
2.2µF
1 x 1mF
Package
4x3mm QFN 12
3x3mm TDFN 8
3x3mm DFN 10
Price (1k)
$2.35
1.81
$1.69
Output Current
(max)
Vout
Charge Mode
OSC Frequency
optical
Ralf J. Muenster 0205
Analogic Tech
Company Confidential
power management
Sipex
interface
TM
SP6685 and Luxeon PWF1 LED
Vin: 2.7-4.2V
Cin
4.7uF

200mA Torch mode
 700mA FLASH mode
SP6685
1
CF
2
1uF
3
Flash/Torch
4
ENABLE
5
VIN
VOUT
C1
P GND
C2
SGND
FLA SH
EN
FB
RSET
10
Cout
1 uF
9
D1
2.5W LED
8
7
6
VFB = 50mV Torch 200mA
150mV Flash 700mA
RSET
RSENSE
68.1K
0.22o hms
Efficiency
Iout
100
900
800
90
Efficiency (%)
700
Iout (mA)
600
500
Flash Mode
400
Torch Mode
300
200
80
Flash Mode
70
Torch Mode
60
50
100
40
0
3.0
3.2
3.4
optical
Ralf J. Muenster 0205
3.6
Vin (V)
3.8
4.0
4.2
3.0
Company Confidential
power management
3.2
3.4
3.6
Vin (V)
3.8
interface
4.0
4.2
SP6686
400mA Buck/Boost Charge Pump Camera
Flash LED Driver
 Industry’s fastest charge pump buck/boost regulator
 400mA output current for camera flash LEDs
 Up to 5.5V out for high VF LEDs
 No inductor required!
 Current regulation for best efficiency and matching
 2.4MHz Operation allowing for tiny external caps
 Flash / Torch Mode for still or motion pictures
 1X and 2X Automatic Switch Modes
 To ensure the highest efficiency possible
0.47mF
 Programmable Flash mode current
 PWM dimming control
 Easy to program and simple to use
 Excellent circuit protection
 Over voltage
 Over current
 Over temperature
2.2mF
VIN
400mA
C2
C1
VOUT
SP6686
FLASH
Li +
EN
FB
GND
RSET
 Small 3x3 mm DFN package
optical
Ralf J. Muenster 0205
Company Confidential
power management
interface
1mF
SP7686
400mA Smallest Form Factor Buck/Boost
Charge Pump Camera Flash LED Driver
 Industry’s fastest charge pump buck/boost regulator
 400mA output current for camera flash LEDs
 Up to 5.5V out for high VF LEDs
 No inductor required!
 Current regulation for best efficiency and matching
 1.5 – 3 MHz flexible operation frequency allowing for tiny peripherals
 Two Wire Control for Shutdown and Brightness
 Flash / Torch Mode for still or motion pictures
0.47mF
 1X and 2X Automatic Switch Modes
 To ensure the highest efficiency possible
 Programmable Flash mode current
1mF
 Excellent circuit protection
 Over voltage
 Over current
 Over temperature
 Small 2x3 mm DFN package
 33% smaller than 3x3 mm DFN
optical
Ralf J. Muenster 0205
VIN
400mA
C2
C1
VOUT
SP7686
EN1
Li +
Company Confidential
power management
EN2
FB
GND
interface
1mF
SP7687
1A High Efficiency Buck/Boost Charge
Pump Camera Flash LED Driver
 Industry’s fastest charge pump buck/boost regulator
 >1000mA output current for camera flash LEDs
 Up to 5.5V out for high VF LEDs
 No inductor required!
 Current regulation for best efficiency and matching
 1.5 – 3 MHz flexible operation frequency allowing for tiny peripherals
 Two Wire Control for Shutdown and Brightness
 Flash / Torch Mode for still or motion pictures
 Programmable Flash mode current
1mF
 Excellent circuit protection
 Over voltage
 Over current
 Over temperature
 Small 3x3 mm DFN package
optical
Ralf J. Muenster 0205
1mF
1mF
 1X and 1.5X Automatic Switch Modes
 To ensure the highest efficiency possible
C1
VIN
C2 C3
C4
VOUT
SP7687
EN1
Li +
Company Confidential
power management
EN2
FB
GND
interface
>1000mA
1mF
SP7615
16V High Current Low Side LED Driver
 4 Constant Current Outputs of up to 125mA each
 Outputs can be connected in Parallel for up to 500mA out
 4 channel matched LED current for consistent light output
 Current adjusted via an external resistor
 PWM dimming control and shutdown function
 Minimal external components – 1 small resistor!
 Small 2mm x 3mm DFN power package
Luxeon I Driver
4 Outputs of 125mA
VIN = 5V- 16V
VIN = 5V- 16V
D1
125mA
SP7615 DFN-8
1
EN/PWM
2
3
4
V CC
LED1
EN
LED2
GND
LED3
ISET
LED4
8
7
6
D1 Luxeon I
360mA
D2
125mA
SP7615 DFN-8
D3
125mA
1
D4
125mA
EN/PWM
3
4
5
LED1
EN
LED2
GND
LED3
ISET
LED4
8
7
6
5
90mA
90mA
90mA
90mA
RSET14K
RSET10K
optical
Ralf J. Muenster 0205
2
V CC
Company Confidential
power management
interface
SP7615 to Drive 4 Strings of Luxeons
VIN = 12V
SP7615 DFN-8
1
EN/PWM
2
3
4
V CC
LED1
EN
LED2
GND
LED3
ISET
LED4
8
7
6
5
125mA
125mA
125mA
VIN = 12V
1
EN/PWM
2
3
4
V CC
LED1
EN
LED2
GND
LED3
ISET
LED4
8
7
6
5
D4
500mA
D7
500mA
D10
500mA
D2
500mA
D5
500mA
D8
500mA
D11
500mA
D3
500mA
D6
500mA
D9
500mA
D12
500mA
125mA
RSET10K
SP7615 DFN-8
D1
500mA
125mA
125mA
125mA
125mA
RSET10K
SP7615 DFN-8
VIN = 12V
1
EN/PWM
2
3
4
V CC
LED1
EN
LED2
GND
LED3
ISET
LED4
8
7
6
5
125mA
125mA
125mA
125mA
RSET10K
SP7615 DFN-8
VIN = 12V
1
EN/PWM
2
3
4
V CC
LED1
EN
LED2
GND
LED3
ISET
LED4
8
7
6
5
125mA
125mA
 4 Constant Current Strings
of up to 500mA each
125mA
125mA
RSET10K
optical
Ralf J. Muenster 0205
Company Confidential
power management
interface
SP7618
- Adjustable Low-side Driver for Camera Flash Applications
FEATURES
 Very low dropout voltage - 100mV
 No external components
 Built -in Current DAC (SP7618)
 Output Current adjustable with 33mA steps
 Power-saving shutdown mode of 12nA typical
 Fast turn-on (<50µS)
 Accurate Current Regulation Down to Dropout Voltage
 Thermal Shutdown Protection
 Fixed output versions available (SP7619)
 Space saving 8 pin 2mm x 3mm DFN package
 1A Maximum Current
optical
Ralf J. Muenster 0205
Company Confidential
power management
interface
NEW! SP7648 PWF1 Flash Driver
Up to 1000mA
PWF1
Dual Reference:
300mV or 800mV
• True shutdown
• Integrated torch / flash control
• Up to 1000mA output current
optical
Ralf J. Muenster 0205
Company Confidential
power management
interface
NEW! SP7648 PWF1 Flash Driver
Vin
3.0-4.2V
4.7uH
10uF
SP7648
VBATT
FLASH
NC
Vout
VOUT
LX
PGND
RLIM
GND
SHDN
FB
0.1uF
10nF
1W LED
22uF
Vref
SP7648 Efficiency
1400
1200
Efficiency (%)
Output current (mA)
SP7648 Output current
1000
800
Flash Mode
600
Torch Mode
400
200
0
3.0
3.2
3.4
3.6
3.8
4.0
4.2
90.0
80.0
70.0
60.0
50.0
40.0
30.0
20.0
10.0
0.0
Flash Mode
Torch Mode
3.0
3.2
Ralf J. Muenster 0205
3.6
3.8
4.0
Vin (V)
Vin (V)
optical
3.4
Company Confidential
power management
interface
4.2
LCD Backlight Drivers
optical
power management
interface
SP6687 4-Channel White LED Driver
Features
■ Efficiency Over 90% of Battery Life.
■ Support up to 4 WLEDs
■ Soft Start Function
■ Short Circuit Protection
■ Three Charge Pump Mode: X1, X1.5,
X2
■ 250kHz/1MHz Fixed Frequency
Oscillator
Applications
Cell Phones, Smart Phones
PDAs, Digital Cameras, Camcorders
MP3 Players
Other Handhelds with Color Displays
Production Q105
Cross to SC604
optical
Ralf J. Muenster 0205
Company Confidential
power management
interface
SP6688 4-Channel White LED Driver
Features
■ 2.7V to 5.5V Input Voltage Range
■ Drives up to 4 LEDS
■ 1X and 1.5X Mode Charge Pump
■ 1.2MHz operation reduces capacitor
size
■ High Efficiency: 92%
■ 0.2% LED Current Matching
■ 28mA/LED Drive Capability
Applications
Cell Phones, Smart Phones
PDAs, Digital Cameras, Camcorders
MP3 Players
Other Handhelds with Color Displays
■ Eliminates Ballast Resistors
■ Logic or PWM Dimming Control
■ Low 0.1µA Shutdown Current
■ Soft-Start Limits Inrush Current
■ Output Overvoltage Protection
■ Thermal Shutdown Protection
■ TQFN (4 x4mm) or QFN (3 x3mm)
Production Q205
Cross to MAX1573
optical
Ralf J. Muenster 0205
Company Confidential
power management
interface
SP6690 and SP6691
-Series White LED Driver
Features
■ Miniature Package: 8 Pin DFN, 5 Pin TSOT or 5 Pin SOT-23
■ High Output Voltage: Up to 30V for SP6690, 34V for SP6691
■ Optimized for Single Supply, 2.7V - 4.2V Applications
■ Operated Down to 1V
■ High Efficiency: Greater Than 75%
■ Low Quiescent Current: 20µA
■ Ultra Low Shutdown Current: 10nA
■ Single Battery Cell Operation
■ Programmable Output Voltage
■ 1Ω switch (250mV at 250mA)
■ Drives up to 4-6 LEDs in series (SP6690)
■ Drives up to 4-6 LEDs in series (SP6691)
optical
Ralf J. Muenster 0205
Company Confidential
power management
interface