Datasheet
MAX8662/MAX8663
Power-Management ICs for
Single-Cell, Li+ Battery-Operated Devices
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COMPONENT FUNCTION PART
C13 Boost input bypass capacitor
1.0µF ± 10% , 16V X 5R cer am i c cap aci tor ( 0603)
M ur ata G RM 188R61C 105KA93B or Tai yo Y ud en E M K107BJ105KA
C14 Step-up output filter capacitor
0.1µF ±10%, 50V X7R ceramic capacitor (0603)
Murata GRM188R71H104KA93 or Taiyo Yuden UMK107BJ104KA
C15
Step-up compensation
capacitor
0.22µF ±10%, 10V X5R ceramic capacitor (0402)
Murata GRM155R61A224KE19
C16
Linear regulator output filter
capacitor
4.7µF ±10%, 6.3V X5R ceramic capacitor (0603)
Murata GRM188R60J475KE19
C17, C19
Linear regulator output filter
capacitors
1.0µF ±10%, 6.3V X5R ceramic capacitors (0603)
Murata GRM188R60J105KA01
C18
Linear regulator output filter
capacitor
2.2µF ±10%, 6.3V X5R ceramic capacitor (0603)
Murata GRM185R60J225KE26
D1 Boost rectifier
200mA, 30V Schottky diode (SOD-323)
Central CMDSH2-3
D2–D8 Display backlighting
30mA surface-mount white LEDs
Nichia NSCW215T
D9 CS clamp
100mA silicon signal diode
Central CMOD4448
L1 OUT1 step-down inductor
3.3µH inductor
TOKO DE2818C 1072AS-3R3M, 1.6A, 50mΩ
L2 OUT2 step-down inductor
4.7µH inductor
TOKO DE2818C 1072AS-4R7M, 1.3A, 70mΩ
L3 OUT3 step-up inductor
22µH inductor
Murata LQH32CN220K53, 250mA, 0.71Ω DCR (3.2mm x 2.5mm x 1.55mm)
or TDK VLF3012AT-220MR33, 330mA, 0.76Ω DCR (2.8mm x 2.6mm x 1.2mm)
R1, R7 Logic output pullup resistors 100kΩ
R2–R5 Step-down feedback resistors R3 and R5 are 200kΩ ±0.1%; R2 and R4 depend on output voltage (±0.1%)
R6 Negative TC thermistor
Phillips NTC thermistor
P/N 2322-640-63103
10kΩ ±5% at +25°C
R8
Input current-limit
programming resistor
1.5kΩ ±1%, for 2A limit
R9
Fast charge-current
programming resistor
3kΩ ±1%, for 777mA charging
R10
Step-up overvoltage feedback
resistor
1.2MΩ ±1%, for 25V max output
Table 4. External Components List (See Figure 1) (continued)