MAX1645-MAX1645A Maxim, MAX1645-MAX1645A Datasheet - Page 30

• Manufacturer Part Number: MAX1645-MAX1645A
• Description: Advanced Chemistry-Independent / Level 2 Battery Chargers with Input Current Limiting
• Manufacturer: Maxim

Advanced Chemistry-Independent, Level 2
Battery Chargers with Input Current Limiting
Table 10. Component Selection
30
C1, C2 Input Capacitors
C3, C4 Output Capacitors
C5, C19, C20
C6, C7, C12
C8, C14, C16
C9, C10, C11 Compensation Capacitors
C13
C18, C24
C23
D1, D2
D3, D4
L1
N1 High-Side MOSFET
N2 Low-Side MOSFET
P1, P2
R1
R2
R3, R4
R5, R7, R8, R9, R10
R6
R11, R16
R12
R13
R14, R15
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DESIGNATION
22µF, 35V low-ESR tantalum capacitors
AVX TPSE226M035R0300
22µF, 25V low-ESR tantalum capacitors
AVX TPSD226M025R0200
1µF, >30V ceramic capacitors
1µF ceramic capacitors
0.1µF ceramic capacitors
0.01µF ceramic capacitors
1500pF ceramic capacitor
0.1µF, >20V ceramic capacitors
0.1µF, >30V ceramic capacitor
40V, 2A schottky diodes
Central Semiconductor CMSH2-40
Small-signal diodes
Central Semiconductor CMPSH-3
22µH, 3.6A buck inductor
Sumida CDRH127-220
30V, 11.5A, high-side N-channel MOSFET (SO-8)
Fairchild FDS6680
30V, 8.4A, low-side N-channel MOSFET
Fairchild FDS6612A or
30V, signal level N-channel MOSFET
2N7002
30V, 11A P-Channel MOSFET load and source switches
Fairchild FDS6675
40mΩ ±1%, 0.5W battery current-sense resistor
Dale WSL-2010/40mΩ/1%
50mΩ ±1%, 0.5W source current-sense resistor
Dale WSL-2010/50mΩ/1%
R3 + R4 >100kΩ input current-limit setting resistors
10kΩ ±5% resistors
10kΩ ±1% temperature sensor network resistor
1Ω ±5% resistors
33Ω ±5% resistor
1kΩ ±5% resistor
4.7Ω ±5% resistors
DESCRIPTION