MAX1647 Datasheet, PDF (10/24 Pages) Maxim Integrated Products – Chemistry-Independent Battery Chargers

Chemistry-Independent
Battery Chargers
Table 1a. Component Selection for Figure 3 Circuit (Also Use for Figure 4)
DESIGNATION
C1
C2, C4, C7, C9
C3
C5
C6
C8
QTY
47
0.1
47
1
22
22
D1, D3, D4
D2, D5
D6
L1
22
M1
M2
Q1
R1A
100
R1B
1
R2, R4
10
R3
10
R5, R7
10
R6
10
UNITS
µF
µF
nF
µF
µF
nF
µH
mΩ
Ω
kΩ
kΩ
Ω
kΩ
NOTES
20V, ESR at 250kHz ≤ 0.4Ω
10V, ceramic or low ESR
35V
10V
3A I_DC, 30V Schottky diode,
P_D > 0.8W, 1N5821 equivalent
50mA I_DC, 40V fast-recovery diode,
1N4150 equivalent
4.3V zener diode,
1N4731 or equivalent
±20%, 3A I_SAT
Note: size in L x W x H
R_{DS, ON} ≤ 0.1Ω, V_DSS ≥ 30V,
P_D > 0.5W, logic level, N-channel
power MOSFET
R_{DS, ON} ≤ 10Ω, V_DSS ≥ 30V,
logic level, N-channel power
MOSFET, 2N7002 equivalent
V_{CE, MAX} ≤ -30V, 50mA I_{C, CONT},
2N3906 equivalent
±1%, 1W
±5%, 1/8W
±5%, 1/16W
±1%, 1/16W
±5%, 1/16W
±5%, 1/8W
SOURCE/TYPE
Sprague, 595D476X0020D7T, D case
AVX, TPSE476M020R0150, E case
NIEC, NSQ03A04, FLAT-PAK (SMC)
NIEC, 30VQ04F, TO-252AA (SMD)
Motorola, MBRS340T3, SMC
Motorola, MBRD340T4, DPAK
Diodes Inc., SK33, SMC
IR, 30BQ040, SMC
Sumida, RCH-110/220M, 10mm x 10mm x 10mm
Coiltronics, UP2-220, 0.541" x 0.345" x 0.231"
Coilcraft, DO3340P-223, 0.510" x 0.370" x 0.450"
Coilcraft, DO5022P-223, 0.730" x 0.600" x 0.280"
Motorola, MMSF5N03HD, SO-8
Motorola, MMDF3N03HD, SO-8
Motorola, MTD20N03HDL, DPAK
IR, IRF7201, SO-8
IR, IRF7303, SO-8
IR, IRF7603, Micro8
Siliconix, Si9410DY, SO-8
Siliconix, Si9936DY, SO-8
Siliconix, Si6954DQ, TSSOP-8
Motorola, 2N7002LT1, SOT23
Motorola, MMBF170LT1, SOT23
Diodes Inc., 2N7002, SOT23
Diodes Inc., BS870, SOT23
Zetex, ZVN3306F, SOT23
Central Semiconductor, 2N7002, SOT23
IRC, CHP1100R100F13, 2512
IRC, LR251201R100F, 2512
Dale, WSL-2512/0.1Ω/±1%, 2512
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