TEA1103 데이터 시트보기 (PDF) - Philips Electronics

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TEA1103

Fast charge ICs for NiCd and NiMH batteries

Philips Electronics 

Philips Semiconductors

Fast charge ICs for NiCd and NiMH

batteries

Table 2 Timing and current formulae

SYMBOL

tosc

Tsampling (∆T/∆t)

Tsampling (Vpeak)

ttop-off

ttime-out

thold-off

tLED

tsense

tswitch

Ifast

DESCRIPTION

timing

NTC voltage sampling frequency

battery voltage sampling frequency

inhibit or protection

charge/discharge currents

Itop-off

Itrickle

Iload-max

IRFSH

Preliminary specification

TEA1103; TEA1103T;

TEA1103TS

FORMULAE

see Fig.3

217 × POD × PSD × tosc

216 × POD × tosc

227 × POD × tosc

226 × POD × PTD × tosc

2−5 × ttime-out

214 × POD × tosc

210 × POD × tosc

221 × POD × PTD × tosc

R-----s-R--e---bn--s---e- × R-V----rr--ee--ff

R-----s-R--e---bn--s---e- × 3 × 10–6

R-----s-R--e---bn--s---e- × 11----56-- × 10–6

R-----s-R--e---bn--s---e- × 40 × 10–6

1--R--0--s-0--e---nm---s--Ve---

1999 Jan 27

9

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